123202311120 has 240 divisors, whose sum is σ = 493647779520. Its totient is φ = 28160504064.

The previous prime is 123202311091. The next prime is 123202311121. The reversal of 123202311120 is 21113202321.

123202311120 is a `hidden beast` number, since 1 + 2 + 320 + 231 + 112 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123202311093 and 123202311102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202311121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476182 + ... + 687861.

It is an arithmetic number, because the mean of its divisors is an integer number (2056865748).

Almost surely, 2^123202311120 is an apocalyptic number.

123202311120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123202311120 is an abundant number, since it is smaller than the sum of its proper divisors (370445468400).

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

123202311120 is a wasteful number, since it uses less digits than its factorization.

123202311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164079 (or 1164060 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123202311120 its reverse (21113202321), we get a palindrome (144315513441).

The spelling of 123202311120 in words is "one hundred twenty-three billion, two hundred two million, three hundred eleven thousand, one hundred twenty".