23532857 has 2 divisors, whose sum is σ = 23532858. Its totient is φ = 23532856.

The previous prime is 23532793. The next prime is 23532869. The reversal of 23532857 is 75823532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 5248681 = 4276^2 + 2291^2 .

It is a cyclic number.

It is not a de Polignac number, because 23532857 - 2⁶ = 23532793 is a prime.

It is equal to p_1479644 and since 23532857 and 1479644 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23532877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11766428 + 11766429.

It is an arithmetic number, because the mean of its divisors is an integer number (11766429).

Almost surely, 2^23532857 is an apocalyptic number.

It is an amenable number.

23532857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23532857 is an equidigital number, since it uses as much as digits as its factorization.

23532857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 23532857 is about 4851.0676144535. The cubic root of 23532857 is about 286.5661475287.

It can be divided in two parts, 23532 and 857, that added together give a cube (24389 = 29³).

The spelling of 23532857 in words is "twenty-three million, five hundred thirty-two thousand, eight hundred fifty-seven".