23239426 has 12 divisors (see below), whose sum is σ = 40550598. Its totient is φ = 9959712.

The previous prime is 23239423. The next prime is 23239427. The reversal of 23239426 is 62493232.

It can be written as a sum of positive squares in only one way, i.e., 15202201 + 8037225 = 3899^2 + 2835^2 .

It is not an unprimeable number, because it can be changed into a prime (23239421) 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, 118471 + ... + 118666.

Almost surely, 2^23239426 is an apocalyptic number.

23239426 is a deficient number, since it is larger than the sum of its proper divisors (17311172).

23239426 is a wasteful number, since it uses less digits than its factorization.

23239426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237153 (or 237146 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 23239426 is about 4820.7287830783. The cubic root of 23239426 is about 285.3700988499.

The spelling of 23239426 in words is "twenty-three million, two hundred thirty-nine thousand, four hundred twenty-six".