253812623 has 2 divisors, whose sum is σ = 253812624. Its totient is φ = 253812622.

The previous prime is 253812569. The next prime is 253812653. The reversal of 253812623 is 326218352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253812623 - 2¹⁰ = 253811599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253812623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253812653) 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, 126906311 + 126906312.

It is an arithmetic number, because the mean of its divisors is an integer number (126906312).

Almost surely, 2^253812623 is an apocalyptic number.

253812623 is a deficient number, since it is larger than the sum of its proper divisors (1).

253812623 is an equidigital number, since it uses as much as digits as its factorization.

253812623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 253812623 is about 15931.4978266326. The cubic root of 253812623 is about 633.1467847312.

The spelling of 253812623 in words is "two hundred fifty-three million, eight hundred twelve thousand, six hundred twenty-three".