252357823 has 2 divisors, whose sum is σ = 252357824. Its totient is φ = 252357822.

The previous prime is 252357799. The next prime is 252357839. The reversal of 252357823 is 328753252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252357823 - 2²¹ = 250260671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252357223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126178911 + 126178912.

It is an arithmetic number, because the mean of its divisors is an integer number (126178912).

Almost surely, 2^252357823 is an apocalyptic number.

252357823 is a deficient number, since it is larger than the sum of its proper divisors (1).

252357823 is an equidigital number, since it uses as much as digits as its factorization.

252357823 is an odious number, because the sum of its binary digits is odd.

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

The square root of 252357823 is about 15885.7742335714. The cubic root of 252357823 is about 631.9347785269.

The spelling of 252357823 in words is "two hundred fifty-two million, three hundred fifty-seven thousand, eight hundred twenty-three".