345231520324 has 12 divisors (see below), whose sum is σ = 604575014400. Its totient is φ = 172495801928.

The previous prime is 345231520297. The next prime is 345231520409. The reversal of 345231520324 is 423025132543.

It is a self number, because there is not a number n which added to its sum of digits gives 345231520324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29983084 + ... + 29994595.

It is an arithmetic number, because the mean of its divisors is an integer number (50381251200).

Almost surely, 2^345231520324 is an apocalyptic number.

It is an amenable number.

345231520324 is a deficient number, since it is larger than the sum of its proper divisors (259343494076).

345231520324 is a wasteful number, since it uses less digits than its factorization.

345231520324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59979122 (or 59979120 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 345231520324 its reverse (423025132543), we get a palindrome (768256652867).

The spelling of 345231520324 in words is "three hundred forty-five billion, two hundred thirty-one million, five hundred twenty thousand, three hundred twenty-four".