23221013232 has 80 divisors (see below), whose sum is σ = 60354010112. Its totient is φ = 7693194240.

The previous prime is 23221013227. The next prime is 23221013237. The reversal of 23221013232 is 23231012232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23221013227) and next prime (23221013237).

It is a junction number, because it is equal to n+sod(n) for n = 23221013199 and 23221013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221013237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7020123 + ... + 7023429.

Almost surely, 2^23221013232 is an apocalyptic number.

It is an amenable number.

23221013232 is an abundant number, since it is smaller than the sum of its proper divisors (37132996880).

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

23221013232 is a wasteful number, since it uses less digits than its factorization.

23221013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23221013232 its reverse (23231012232), we get a palindrome (46452025464).

The spelling of 23221013232 in words is "twenty-three billion, two hundred twenty-one million, thirteen thousand, two hundred thirty-two".