252523823 has 2 divisors, whose sum is σ = 252523824. Its totient is φ = 252523822.

The previous prime is 252523811. The next prime is 252523837. The reversal of 252523823 is 328325252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252523823 - 2⁴ = 252523807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252523823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252513823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126261911 + 126261912.

It is an arithmetic number, because the mean of its divisors is an integer number (126261912).

Almost surely, 2^252523823 is an apocalyptic number.

252523823 is a deficient number, since it is larger than the sum of its proper divisors (1).

252523823 is an equidigital number, since it uses as much as digits as its factorization.

252523823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 252523823 is about 15890.9981750675. The cubic root of 252523823 is about 632.0733095741.

The spelling of 252523823 in words is "two hundred fifty-two million, five hundred twenty-three thousand, eight hundred twenty-three".