423132057 has 18 divisors (see below), whose sum is σ = 647532522. Its totient is φ = 265334976.

The previous prime is 423132043. The next prime is 423132089. The reversal of 423132057 is 750231324.

It can be written as a sum of positive squares in only one way, i.e., 398241936 + 24890121 = 19956^2 + 4989^2 .

It is not a de Polignac number, because 423132057 - 2⁶ = 423131993 is a prime.

It is a super-2 number, since 2×423132057² = 358081475322102498, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 423132057.

It is not an unprimeable number, because it can be changed into a prime (423134057) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 253608 + ... + 255270.

It is an arithmetic number, because the mean of its divisors is an integer number (35974029).

Almost surely, 2^423132057 is an apocalyptic number.

It is an amenable number.

423132057 is a deficient number, since it is larger than the sum of its proper divisors (224400465).

423132057 is an equidigital number, since it uses as much as digits as its factorization.

423132057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 423132057 is about 20570.1739662065. The cubic root of 423132057 is about 750.7441840093.

The spelling of 423132057 in words is "four hundred twenty-three million, one hundred thirty-two thousand, fifty-seven".