23321545000 has 80 divisors (see below), whose sum is σ = 58845803940. Its totient is φ = 8611008000.

The previous prime is 23321544997. The next prime is 23321545007. The reversal of 23321545000 is 54512332.

It can be written as a sum of positive squares in 10 ways, for example, as 7340034276 + 15981510724 = 85674^2 + 126418^2 .

It is a super-2 number, since 2×23321545000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23321545007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114397 + ... + 244396.

Almost surely, 2^23321545000 is an apocalyptic number.

23321545000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321545000 is an abundant number, since it is smaller than the sum of its proper divisors (35524258940).

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

23321545000 is a wasteful number, since it uses less digits than its factorization.

23321545000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358832 (or 358813 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 23321545000 in words is "twenty-three billion, three hundred twenty-one million, five hundred forty-five thousand".