423553057 has 2 divisors, whose sum is σ = 423553058. Its totient is φ = 423553056.

The previous prime is 423553021. The next prime is 423553061. The reversal of 423553057 is 750355324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406586896 + 16966161 = 20164^2 + 4119^2 .

It is a cyclic number.

It is not a de Polignac number, because 423553057 - 2²⁷ = 289335329 is a prime.

It is not a weakly prime, because it can be changed into another prime (423553087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211776528 + 211776529.

It is an arithmetic number, because the mean of its divisors is an integer number (211776529).

Almost surely, 2^423553057 is an apocalyptic number.

It is an amenable number.

423553057 is a deficient number, since it is larger than the sum of its proper divisors (1).

423553057 is an equidigital number, since it uses as much as digits as its factorization.

423553057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 34.

The square root of 423553057 is about 20580.4046850396. The cubic root of 423553057 is about 750.9930886011.

The spelling of 423553057 in words is "four hundred twenty-three million, five hundred fifty-three thousand, fifty-seven".