123320022100 has 36 divisors (see below), whose sum is σ = 291932127648. Its totient is φ = 44843644000.

The previous prime is 123320022061. The next prime is 123320022121. The reversal of 123320022100 is 1220023321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56053456 + ... + 56055655.

It is an arithmetic number, because the mean of its divisors is an integer number (8109225768).

Almost surely, 2^123320022100 is an apocalyptic number.

123320022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123320022100 is an abundant number, since it is smaller than the sum of its proper divisors (168612105548).

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

123320022100 is a wasteful number, since it uses less digits than its factorization.

123320022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112109136 (or 112109129 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123320022100 its reverse (1220023321), we get a palindrome (124540045421).

The spelling of 123320022100 in words is "one hundred twenty-three billion, three hundred twenty million, twenty-two thousand, one hundred".