23432661 has 24 divisors (see below), whose sum is σ = 38816960. Its totient is φ = 13343616.

The previous prime is 23432657. The next prime is 23432663. The reversal of 23432661 is 16623432.

It is not a de Polignac number, because 23432661 - 2² = 23432657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26850 + ... + 27708.

Almost surely, 2^23432661 is an apocalyptic number.

23432661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23432661 is a deficient number, since it is larger than the sum of its proper divisors (15384299).

23432661 is a wasteful number, since it uses less digits than its factorization.

23432661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1302 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 23432661 is about 4840.7293871895. The cubic root of 23432661 is about 286.1588640926.

The spelling of 23432661 in words is "twenty-three million, four hundred thirty-two thousand, six hundred sixty-one".