123031323300 has 144 divisors (see below), whose sum is σ = 369998943552. Its totient is φ = 31536806400.

The previous prime is 123031323299. The next prime is 123031323329. The reversal of 123031323300 is 3323130321.

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, 854530 + ... + 988070.

It is an arithmetic number, because the mean of its divisors is an integer number (2569437108).

Almost surely, 2^123031323300 is an apocalyptic number.

123031323300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123031323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184999471776).

123031323300 is an abundant number, since it is smaller than the sum of its proper divisors (246967620252).

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

123031323300 is a wasteful number, since it uses less digits than its factorization.

123031323300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133678 (or 133671 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 123031323300 its reverse (3323130321), we get a palindrome (126354453621).

The spelling of 123031323300 in words is "one hundred twenty-three billion, thirty-one million, three hundred twenty-three thousand, three hundred".