13231123503020 has 24 divisors (see below), whose sum is σ = 27849826565568. Its totient is φ = 5280169932800.

The previous prime is 13231123503019. The next prime is 13231123503041. The reversal of 13231123503020 is 2030532113231.

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, 767457941 + ... + 767475180.

It is an arithmetic number, because the mean of its divisors is an integer number (1160409440232).

Almost surely, 2^{13231123503020} is an apocalyptic number.

13231123503020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231123503020 is an abundant number, since it is smaller than the sum of its proper divisors (14618703062548).

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

13231123503020 is a wasteful number, since it uses less digits than its factorization.

13231123503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534933561 (or 1534933559 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13231123503020 its reverse (2030532113231), we get a palindrome (15261655616251).

The spelling of 13231123503020 in words is "thirteen trillion, two hundred thirty-one billion, one hundred twenty-three million, five hundred three thousand, twenty".