123222313100 has 36 divisors (see below), whose sum is σ = 281465709000. Its totient is φ = 46694770560.

The previous prime is 123222313061. The next prime is 123222313139. The reversal of 123222313100 is 1313222321.

It is an interprime number because it is at equal distance from previous prime (123222313061) and next prime (123222313139).

It is a super-2 number, since 2×123222313100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32425025 + ... + 32428824.

Almost surely, 2^123222313100 is an apocalyptic number.

123222313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123222313100 is an abundant number, since it is smaller than the sum of its proper divisors (158243395900).

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

123222313100 is a wasteful number, since it uses less digits than its factorization.

123222313100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64853882 (or 64853875 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123222313100 its reverse (1313222321), we get a palindrome (124535535421).

The spelling of 123222313100 in words is "one hundred twenty-three billion, two hundred twenty-two million, three hundred thirteen thousand, one hundred".