23102457 has 16 divisors (see below), whose sum is σ = 35358720. Its totient is φ = 13143312.

The previous prime is 23102449. The next prime is 23102483. The reversal of 23102457 is 75420132.

It is not a de Polignac number, because 23102457 - 2³ = 23102449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23102407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2718 + ... + 7320.

It is an arithmetic number, because the mean of its divisors is an integer number (2209920).

Almost surely, 2^23102457 is an apocalyptic number.

It is an amenable number.

23102457 is a deficient number, since it is larger than the sum of its proper divisors (12256263).

23102457 is a wasteful number, since it uses less digits than its factorization.

23102457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 23102457 is about 4806.5015343803. The cubic root of 23102457 is about 284.8083537678.

Adding to 23102457 its reverse (75420132), we get a palindrome (98522589).

The spelling of 23102457 in words is "twenty-three million, one hundred two thousand, four hundred fifty-seven".