23302139 has 16 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 19380192.

The previous prime is 23302133. The next prime is 23302141. The reversal of 23302139 is 93120332.

It is not a de Polignac number, because 23302139 - 2¹² = 23298043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23302133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39404 + ... + 39990.

It is an arithmetic number, because the mean of its divisors is an integer number (1714608).

Almost surely, 2^23302139 is an apocalyptic number.

23302139 is a deficient number, since it is larger than the sum of its proper divisors (4131589).

23302139 is a wasteful number, since it uses less digits than its factorization.

23302139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 23302139 is about 4827.2289152266. The cubic root of 23302139 is about 285.6265644631.

The spelling of 23302139 in words is "twenty-three million, three hundred two thousand, one hundred thirty-nine".