23875739 has 2 divisors, whose sum is σ = 23875740. Its totient is φ = 23875738.

The previous prime is 23875721. The next prime is 23875741. The reversal of 23875739 is 93757832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23875739 - 2²⁰ = 22827163 is a prime.

It is a super-2 number, since 2×23875739² = 1140101825592242, which contains 22 as substring.

Together with 23875741, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1499777 and since 23875739 and 1499777 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23875739.

It is not a weakly prime, because it can be changed into another prime (23835739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11937869 + 11937870.

It is an arithmetic number, because the mean of its divisors is an integer number (11937870).

Almost surely, 2^23875739 is an apocalyptic number.

23875739 is a deficient number, since it is larger than the sum of its proper divisors (1).

23875739 is an equidigital number, since it uses as much as digits as its factorization.

23875739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 23875739 is about 4886.2806918964. The cubic root of 23875739 is about 287.9512319366.

The spelling of 23875739 in words is "twenty-three million, eight hundred seventy-five thousand, seven hundred thirty-nine".