23021322000 has 80 divisors (see below), whose sum is σ = 74220761472. Its totient is φ = 6139017600.

The previous prime is 23021321993. The next prime is 23021322017. The reversal of 23021322000 is 22312032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912444 + ... + 1924443.

Almost surely, 2^23021322000 is an apocalyptic number.

23021322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021322000 is an abundant number, since it is smaller than the sum of its proper divisors (51199439472).

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

23021322000 is a wasteful number, since it uses less digits than its factorization.

23021322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836913 (or 3836897 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23021322000 its reverse (22312032), we get a palindrome (23043634032).

The spelling of 23021322000 in words is "twenty-three billion, twenty-one million, three hundred twenty-two thousand".