57863623 has 2 divisors, whose sum is σ = 57863624. Its totient is φ = 57863622.

The previous prime is 57863621. The next prime is 57863633. The reversal of 57863623 is 32636875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57863623 - 2¹ = 57863621 is a prime.

It is a super-2 number, since 2×57863623² = 6696397733372258, which contains 22 as substring.

Together with 57863621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57863621) 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, 28931811 + 28931812.

It is an arithmetic number, because the mean of its divisors is an integer number (28931812).

Almost surely, 2^57863623 is an apocalyptic number.

57863623 is a deficient number, since it is larger than the sum of its proper divisors (1).

57863623 is an equidigital number, since it uses as much as digits as its factorization.

57863623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 57863623 is about 7606.8142477650. The cubic root of 57863623 is about 386.7840359943.

It can be divided in two parts, 5786 and 3623, that added together give a square (9409 = 97²).

The spelling of 57863623 in words is "fifty-seven million, eight hundred sixty-three thousand, six hundred twenty-three".