23401738 has 8 divisors (see below), whose sum is σ = 35162820. Its totient is φ = 11680800.

The previous prime is 23401733. The next prime is 23401759. The reversal of 23401738 is 83710432.

It can be written as a sum of positive squares in 2 ways, for example, as 23068809 + 332929 = 4803^2 + 577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23401733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8533 + ... + 10936.

Almost surely, 2^23401738 is an apocalyptic number.

23401738 is a deficient number, since it is larger than the sum of its proper divisors (11761082).

23401738 is a wasteful number, since it uses less digits than its factorization.

23401738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20072.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23401738 is about 4837.5342892842. The cubic root of 23401738 is about 286.0329318038.

The spelling of 23401738 in words is "twenty-three million, four hundred one thousand, seven hundred thirty-eight".