57210503923 has 2 divisors, whose sum is σ = 57210503924. Its totient is φ = 57210503922.

The previous prime is 57210503921. The next prime is 57210503947. The reversal of 57210503923 is 32930501275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57210503923 - 2¹ = 57210503921 is a prime.

Together with 57210503921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57210503921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28605251961 + 28605251962.

It is an arithmetic number, because the mean of its divisors is an integer number (28605251962).

Almost surely, 2^57210503923 is an apocalyptic number.

57210503923 is a deficient number, since it is larger than the sum of its proper divisors (1).

57210503923 is an equidigital number, since it uses as much as digits as its factorization.

57210503923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The spelling of 57210503923 in words is "fifty-seven billion, two hundred ten million, five hundred three thousand, nine hundred twenty-three".