23534857 has 2 divisors, whose sum is σ = 23534858. Its totient is φ = 23534856.

The previous prime is 23534831. The next prime is 23534869. The reversal of 23534857 is 75843532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17673616 + 5861241 = 4204^2 + 2421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23534857 is a prime.

It is not a weakly prime, because it can be changed into another prime (23534807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11767428 + 11767429.

It is an arithmetic number, because the mean of its divisors is an integer number (11767429).

Almost surely, 2^23534857 is an apocalyptic number.

It is an amenable number.

23534857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23534857 is an equidigital number, since it uses as much as digits as its factorization.

23534857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The square root of 23534857 is about 4851.2737502639. The cubic root of 23534857 is about 286.5742654843.

The spelling of 23534857 in words is "twenty-three million, five hundred thirty-four thousand, eight hundred fifty-seven".