123310331212320 has 288 divisors, whose sum is σ = 502049206512000. Its totient is φ = 28185218514432.

The previous prime is 123310331212301. The next prime is 123310331212337. The reversal of 123310331212320 is 23212133013321.

123310331212320 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 1 + 0 + 331 + 2 + 1 + 2 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291054220 + ... + 291477579.

It is an arithmetic number, because the mean of its divisors is an integer number (1743226411500).

Almost surely, 2^{123310331212320} is an apocalyptic number.

123310331212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123310331212320 is an abundant number, since it is smaller than the sum of its proper divisors (378738875299680).

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

123310331212320 is a wasteful number, since it uses less digits than its factorization.

123310331212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582531837 (or 582531816 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 123310331212320 its reverse (23212133013321), we get a palindrome (146522464225641).

The spelling of 123310331212320 in words is "one hundred twenty-three trillion, three hundred ten billion, three hundred thirty-one million, two hundred twelve thousand, three hundred twenty".