23440634 has 16 divisors (see below), whose sum is σ = 41931648. Its totient is φ = 9609072.

The previous prime is 23440631. The next prime is 23440649. The reversal of 23440634 is 43604432.

It is not an unprimeable number, because it can be changed into a prime (23440631) 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, 36077 + ... + 36720.

It is an arithmetic number, because the mean of its divisors is an integer number (2620728).

Almost surely, 2^23440634 is an apocalyptic number.

23440634 is a deficient number, since it is larger than the sum of its proper divisors (18491014).

23440634 is a wasteful number, since it uses less digits than its factorization.

23440634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72829.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 23440634 is about 4841.5528500678. The cubic root of 23440634 is about 286.1913157478.

The spelling of 23440634 in words is "twenty-three million, four hundred forty thousand, six hundred thirty-four".