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123013321001 = 432226729347
BaseRepresentation
bin111001010010000101…
…0100101000100101001
3102202112000021011210222
41302210022211010221
54003412402233001
6132302254215425
711613245655554
oct1624412450451
9382460234728
10123013321001
11481958a385a
121ba10ab4575
13b7a5583c4c
145d4d61969b
1532ee7cb61b
hex1ca42a5129

123013321001 has 12 divisors (see below), whose sum is σ = 126000472752. Its totient is φ = 120095453016.

The previous prime is 123013320977. The next prime is 123013321073. The reversal of 123013321001 is 100123310321.

It is not a de Polignac number, because 123013321001 - 210 = 123013319977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123013321901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4177010 + ... + 4206356.

It is an arithmetic number, because the mean of its divisors is an integer number (10500039396).

Almost surely, 2123013321001 is an apocalyptic number.

It is an amenable number.

123013321001 is a deficient number, since it is larger than the sum of its proper divisors (2987151751).

123013321001 is an equidigital number, since it uses as much as digits as its factorization.

123013321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31700 (or 31657 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123013321001 its reverse (100123310321), we get a palindrome (223136631322).

The spelling of 123013321001 in words is "one hundred twenty-three billion, thirteen million, three hundred twenty-one thousand, one".

Divisors: 1 43 1849 2267 29347 97481 1261921 4191683 54262603 66529649 2860774907 123013321001