13023021000 has 128 divisors (see below), whose sum is σ = 44325740160. Its totient is φ = 3157088000.

The previous prime is 13023020999. The next prime is 13023021041. The reversal of 13023021000 is 12032031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164319 + ... + 230318.

It is an arithmetic number, because the mean of its divisors is an integer number (346294845).

Almost surely, 2^13023021000 is an apocalyptic number.

13023021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023021000 is an abundant number, since it is smaller than the sum of its proper divisors (31302719160).

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

13023021000 is a wasteful number, since it uses less digits than its factorization.

13023021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394672 (or 394658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 13023021000 its reverse (12032031), we get a palindrome (13035053031).

The spelling of 13023021000 in words is "thirteen billion, twenty-three million, twenty-one thousand".