345423747504 has 80 divisors (see below), whose sum is σ = 983105362944. Its totient is φ = 103637472000.

The previous prime is 345423747437. The next prime is 345423747509. The reversal of 345423747504 is 405747324543.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (345423747509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3185344 + ... + 3291999.

Almost surely, 2^345423747504 is an apocalyptic number.

It is an amenable number.

345423747504 is an abundant number, since it is smaller than the sum of its proper divisors (637681615440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345423747504 is a wasteful number, since it uses less digits than its factorization.

345423747504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477466 (or 6477460 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 48.

The spelling of 345423747504 in words is "three hundred forty-five billion, four hundred twenty-three million, seven hundred forty-seven thousand, five hundred four".