57102623 has 2 divisors, whose sum is σ = 57102624. Its totient is φ = 57102622.

The previous prime is 57102601. The next prime is 57102637. The reversal of 57102623 is 32620175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57102623 - 2¹⁶ = 57037087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57102592 and 57102601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57102523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28551311 + 28551312.

It is an arithmetic number, because the mean of its divisors is an integer number (28551312).

Almost surely, 2^57102623 is an apocalyptic number.

57102623 is a deficient number, since it is larger than the sum of its proper divisors (1).

57102623 is an equidigital number, since it uses as much as digits as its factorization.

57102623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 57102623 is about 7556.6277531714. The cubic root of 57102623 is about 385.0809364893.

Adding to 57102623 its reverse (32620175), we get a palindrome (89722798).

The spelling of 57102623 in words is "fifty-seven million, one hundred two thousand, six hundred twenty-three".