423236457 has 48 divisors (see below), whose sum is σ = 751196160. Its totient is φ = 224215776.

The previous prime is 423236447. The next prime is 423236477. The reversal of 423236457 is 754632324.

423236457 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 3 + 645 + 7 = 666.

It is not a de Polignac number, because 423236457 - 2⁷ = 423236329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423236447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52498 + ... + 60020.

It is an arithmetic number, because the mean of its divisors is an integer number (15649920).

Almost surely, 2^423236457 is an apocalyptic number.

423236457 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

423236457 is a deficient number, since it is larger than the sum of its proper divisors (327959703).

423236457 is a wasteful number, since it uses less digits than its factorization.

423236457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602 (or 7599 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 423236457 is about 20572.7114644618. The cubic root of 423236457 is about 750.8059230073.

The spelling of 423236457 in words is "four hundred twenty-three million, two hundred thirty-six thousand, four hundred fifty-seven".