320023055212 has 24 divisors (see below), whose sum is σ = 641125479456. Its totient is φ = 136921444608.

The previous prime is 320023055197. The next prime is 320023055227. The reversal of 320023055212 is 212550320023.

It is an interprime number because it is at equal distance from previous prime (320023055197) and next prime (320023055227).

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, 9620323 + ... + 9653530.

It is an arithmetic number, because the mean of its divisors is an integer number (26713561644).

Almost surely, 2^320023055212 is an apocalyptic number.

It is an amenable number.

320023055212 is an abundant number, since it is smaller than the sum of its proper divisors (321102424244).

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

320023055212 is a wasteful number, since it uses less digits than its factorization.

320023055212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19274457 (or 19274455 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 320023055212 its reverse (212550320023), we get a palindrome (532573375235).

The spelling of 320023055212 in words is "three hundred twenty billion, twenty-three million, fifty-five thousand, two hundred twelve".