623057 has 2 divisors, whose sum is σ = 623058. Its totient is φ = 623056.

The previous prime is 623041. The next prime is 623059. The reversal of 623057 is 750326.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430336 + 192721 = 656^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 623057 - 2⁴ = 623041 is a prime.

Together with 623059, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (623059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311528 + 311529.

It is an arithmetic number, because the mean of its divisors is an integer number (311529).

2⁶²³⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

623057 is a deficient number, since it is larger than the sum of its proper divisors (1).

623057 is an equidigital number, since it uses as much as digits as its factorization.

623057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 623057 is about 789.3395973851. The cubic root of 623057 is about 85.4101058085.

The spelling of 623057 in words is "six hundred twenty-three thousand, fifty-seven".