13231123000 has 32 divisors (see below), whose sum is σ = 30960830160. Its totient is φ = 5292448800.

The previous prime is 13231122977. The next prime is 13231123049. The reversal of 13231123000 is 32113231.

It is a super-2 number, since 2×13231123000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614562 + ... + 6616561.

Almost surely, 2^13231123000 is an apocalyptic number.

13231123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231123000 is an abundant number, since it is smaller than the sum of its proper divisors (17729707160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231123000 is a wasteful number, since it uses less digits than its factorization.

13231123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231144 (or 13231130 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13231123000 its reverse (32113231), we get a palindrome (13263236231).

The spelling of 13231123000 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-three thousand".