23002121432 has 32 divisors (see below), whose sum is σ = 44498840400. Its totient is φ = 11139801600.

The previous prime is 23002121431. The next prime is 23002121437. The reversal of 23002121432 is 23412120032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002121431) 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, 206669 + ... + 297852.

Almost surely, 2^23002121432 is an apocalyptic number.

It is an amenable number.

23002121432 is a deficient number, since it is larger than the sum of its proper divisors (21496718968).

23002121432 is a wasteful number, since it uses less digits than its factorization.

23002121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504707 (or 504703 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23002121432 its reverse (23412120032), we get a palindrome (46414241464).

The spelling of 23002121432 in words is "twenty-three billion, two million, one hundred twenty-one thousand, four hundred thirty-two".