342623457 has 24 divisors (see below), whose sum is σ = 571652640. Its totient is φ = 195434880.

The previous prime is 342623381. The next prime is 342623459. The reversal of 342623457 is 754326243.

It is not a de Polignac number, because 342623457 - 2²⁶ = 275514593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342623459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100107 + ... + 103472.

It is an arithmetic number, because the mean of its divisors is an integer number (23818860).

Almost surely, 2^342623457 is an apocalyptic number.

It is an amenable number.

342623457 is a deficient number, since it is larger than the sum of its proper divisors (229029183).

342623457 is a wasteful number, since it uses less digits than its factorization.

342623457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203613 (or 203610 counting only the distinct ones).

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

The square root of 342623457 is about 18510.0906804910. The cubic root of 342623457 is about 699.7437545083.

The spelling of 342623457 in words is "three hundred forty-two million, six hundred twenty-three thousand, four hundred fifty-seven".