Search a number
-
+
123010311213023 = 139462331631771
BaseRepresentation
bin11011111110000010010001…
…111001110100111111011111
3121010112200010002102012112012
4123332002101321310333133
5112110400104132304043
61113342053513301435
734624126120253633
oct3376022171647737
9533480102365465
10123010311213023
113621641a897943
121196828040487b
135383a9026c850
142253a3357adc3
15e34ba922da18
hex6fe091e74fdf

123010311213023 has 4 divisors (see below), whose sum is σ = 132472642844808. Its totient is φ = 113547979581240.

The previous prime is 123010311213019. The next prime is 123010311213089. The reversal of 123010311213023 is 320312113010321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123010311213023 - 22 = 123010311213019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123010311213023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010311212023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731165815873 + ... + 4731165815898.

It is an arithmetic number, because the mean of its divisors is an integer number (33118160711202).

Almost surely, 2123010311213023 is an apocalyptic number.

123010311213023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123010311213023 is a deficient number, since it is larger than the sum of its proper divisors (9462331631785).

123010311213023 is an equidigital number, since it uses as much as digits as its factorization.

123010311213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9462331631784.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123010311213023 its reverse (320312113010321), we get a palindrome (443322424223344).

The spelling of 123010311213023 in words is "one hundred twenty-three trillion, ten billion, three hundred eleven million, two hundred thirteen thousand, twenty-three".

Divisors: 1 13 9462331631771 123010311213023