23401432 has 8 divisors (see below), whose sum is σ = 43877700. Its totient is φ = 11700712.

The previous prime is 23401379. The next prime is 23401451. The reversal of 23401432 is 23410432.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1462582 + ... + 1462597.

Almost surely, 2^23401432 is an apocalyptic number.

It is an amenable number.

23401432 is a deficient number, since it is larger than the sum of its proper divisors (20476268).

23401432 is a wasteful number, since it uses less digits than its factorization.

23401432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925185 (or 2925181 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23401432 is about 4837.5026614980. The cubic root of 23401432 is about 286.0316850807.

Adding to 23401432 its reverse (23410432), we get a palindrome (46811864).

The spelling of 23401432 in words is "twenty-three million, four hundred one thousand, four hundred thirty-two".