23321399976 has 288 divisors, whose sum is σ = 79511103360. Its totient is φ = 6037016832.

The previous prime is 23321399971. The next prime is 23321400019. The reversal of 23321399976 is 67999312332.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23321399971) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4181926 + ... + 4187498.

It is an arithmetic number, because the mean of its divisors is an integer number (276080220).

Almost surely, 2^23321399976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23321399976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39755551680).

23321399976 is an abundant number, since it is smaller than the sum of its proper divisors (56189703384).

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

23321399976 is a wasteful number, since it uses less digits than its factorization.

23321399976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5627 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 54.

The spelling of 23321399976 in words is "twenty-three billion, three hundred twenty-one million, three hundred ninety-nine thousand, nine hundred seventy-six".