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30123001131023 = 92959324046097
BaseRepresentation
bin1101101100101100011101…
…10010000011000000001111
310221122201201202000121210102
412312112032302003000033
512422013401242143043
6144022152104201315
76226213022634563
oct666261662030017
9127581652017712
1030123001131023
119664102919349
12346605816923b
1313a6782315898
14761d651116a3
1537387d4986b8
hex1b658ec8300f

30123001131023 has 4 divisors (see below), whose sum is σ = 30123325270080. Its totient is φ = 30122676991968.

The previous prime is 30123001130987. The next prime is 30123001131109. The reversal of 30123001131023 is 32013110032103.

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 30123001131023 - 238 = 29848123224079 is a prime.

It is a super-2 number, since 2×301230011310232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30123001130986 and 30123001131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123001131823) 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, 161930090 + ... + 162116007.

It is an arithmetic number, because the mean of its divisors is an integer number (7530831317520).

Almost surely, 230123001131023 is an apocalyptic number.

30123001131023 is a deficient number, since it is larger than the sum of its proper divisors (324139057).

30123001131023 is an equidigital number, since it uses as much as digits as its factorization.

30123001131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324139056.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30123001131023 its reverse (32013110032103), we get a palindrome (62136111163126).

The spelling of 30123001131023 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, twenty-three".

Divisors: 1 92959 324046097 30123001131023