23221023132 has 24 divisors (see below), whose sum is σ = 54185853456. Its totient is φ = 7739845888.

The previous prime is 23221023121. The next prime is 23221023139. The reversal of 23221023132 is 23132012232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23221023099 and 23221023108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221023139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167518 + ... + 272954.

It is an arithmetic number, because the mean of its divisors is an integer number (2257743894).

Almost surely, 2^23221023132 is an apocalyptic number.

It is an amenable number.

23221023132 is an abundant number, since it is smaller than the sum of its proper divisors (30964830324).

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

23221023132 is a wasteful number, since it uses less digits than its factorization.

23221023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123797 (or 123795 counting only the distinct ones).

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

Adding to 23221023132 its reverse (23132012232), we get a palindrome (46353035364).

The spelling of 23221023132 in words is "twenty-three billion, two hundred twenty-one million, twenty-three thousand, one hundred thirty-two".