23086139 has 2 divisors, whose sum is σ = 23086140. Its totient is φ = 23086138.

The previous prime is 23086109. The next prime is 23086171. The reversal of 23086139 is 93168032.

It is an a-pointer prime, because the next prime (23086171) can be obtained adding 23086139 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23086139 is a prime.

It is not a weakly prime, because it can be changed into another prime (23086109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11543069 + 11543070.

It is an arithmetic number, because the mean of its divisors is an integer number (11543070).

Almost surely, 2^23086139 is an apocalyptic number.

23086139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23086139 is an equidigital number, since it uses as much as digits as its factorization.

23086139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23086139 is about 4804.8037420898. The cubic root of 23086139 is about 284.7412815746.

The spelling of 23086139 in words is "twenty-three million, eighty-six thousand, one hundred thirty-nine".