320223311427504 has 40 divisors (see below), whose sum is σ = 846481776724672. Its totient is φ = 104258752557120.

The previous prime is 320223311427491. The next prime is 320223311427527. The reversal of 320223311427504 is 405724113322023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77573474542 + ... + 77573478669.

Almost surely, 2^{320223311427504} is an apocalyptic number.

It is an amenable number.

320223311427504 is an abundant number, since it is smaller than the sum of its proper divisors (526258465297168).

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

320223311427504 is a wasteful number, since it uses less digits than its factorization.

320223311427504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155146953265 (or 155146953259 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 320223311427504 its reverse (405724113322023), we get a palindrome (725947424749527).

The spelling of 320223311427504 in words is "three hundred twenty trillion, two hundred twenty-three billion, three hundred eleven million, four hundred twenty-seven thousand, five hundred four".