923047057 has 2 divisors, whose sum is σ = 923047058. Its totient is φ = 923047056.

The previous prime is 923047043. The next prime is 923047087. The reversal of 923047057 is 750740329.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566630416 + 356416641 = 23804^2 + 18879^2 .

It is a cyclic number.

It is not a de Polignac number, because 923047057 - 2²³ = 914658449 is a prime.

It is a super-2 number, since 2×923047057² = 1704031738872722498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (923047087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461523528 + 461523529.

It is an arithmetic number, because the mean of its divisors is an integer number (461523529).

Almost surely, 2^923047057 is an apocalyptic number.

It is an amenable number.

923047057 is a deficient number, since it is larger than the sum of its proper divisors (1).

923047057 is an equidigital number, since it uses as much as digits as its factorization.

923047057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 923047057 is about 30381.6895020669. The cubic root of 923047057 is about 973.6613870299.

The spelling of 923047057 in words is "nine hundred twenty-three million, forty-seven thousand, fifty-seven".