123007362140 has 96 divisors (see below), whose sum is σ = 290475763200. Its totient is φ = 43414246656.

The previous prime is 123007362119. The next prime is 123007362157. The reversal of 123007362140 is 41263700321.

It is a happy number.

It is a super-2 number, since 2×123007362140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10153967 + ... + 10166073.

It is an arithmetic number, because the mean of its divisors is an integer number (3025789200).

Almost surely, 2^123007362140 is an apocalyptic number.

123007362140 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 123007362140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145237881600).

123007362140 is an abundant number, since it is smaller than the sum of its proper divisors (167468401060).

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

123007362140 is a wasteful number, since it uses less digits than its factorization.

123007362140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13851 (or 13849 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 123007362140 in words is "one hundred twenty-three billion, seven million, three hundred sixty-two thousand, one hundred forty".