23639463 has 6 divisors (see below), whose sum is σ = 34145904. Its totient is φ = 15759636.

The previous prime is 23639461. The next prime is 23639489. The reversal of 23639463 is 36493632.

It is not a de Polignac number, because 23639463 - 2¹ = 23639461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23639461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1313295 + ... + 1313312.

It is an arithmetic number, because the mean of its divisors is an integer number (5690984).

Almost surely, 2^23639463 is an apocalyptic number.

23639463 is a deficient number, since it is larger than the sum of its proper divisors (10506441).

23639463 is a wasteful number, since it uses less digits than its factorization.

23639463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626613 (or 2626610 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 23639463 is about 4862.0430890727. The cubic root of 23639463 is about 286.9982193838.

The spelling of 23639463 in words is "twenty-three million, six hundred thirty-nine thousand, four hundred sixty-three".