23239137 has 8 divisors (see below), whose sum is σ = 31009536. Its totient is φ = 15480752.

The previous prime is 23239093. The next prime is 23239141. The reversal of 23239137 is 73193232.

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

It is a cyclic number.

It is not a de Polignac number, because 23239137 - 2¹⁰ = 23238113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23239157) 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, 3568 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (3876192).

Almost surely, 2^23239137 is an apocalyptic number.

It is an amenable number.

23239137 is a deficient number, since it is larger than the sum of its proper divisors (7770399).

23239137 is a wasteful number, since it uses less digits than its factorization.

23239137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007.

The product of its digits is 6804, while the sum is 30.

The square root of 23239137 is about 4820.6988082642. The cubic root of 23239137 is about 285.3689159134.

The spelling of 23239137 in words is "twenty-three million, two hundred thirty-nine thousand, one hundred thirty-seven".