123133323020 has 48 divisors (see below), whose sum is σ = 270848793600. Its totient is φ = 46932701376.

The previous prime is 123133322959. The next prime is 123133323029. The reversal of 123133323020 is 20323331321.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (123133323029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387920 + ... + 629879.

It is an arithmetic number, because the mean of its divisors is an integer number (5642683200).

Almost surely, 2^123133323020 is an apocalyptic number.

123133323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123133323020 is an abundant number, since it is smaller than the sum of its proper divisors (147715470580).

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

123133323020 is a wasteful number, since it uses less digits than its factorization.

123133323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018094 (or 1018092 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 123133323020 its reverse (20323331321), we get a palindrome (143456654341).

It can be divided in two parts, 12313 and 3323020, that added together give a palindrome (3335333).

The spelling of 123133323020 in words is "one hundred twenty-three billion, one hundred thirty-three million, three hundred twenty-three thousand, twenty".