123380496940 has 12 divisors (see below), whose sum is σ = 259099043616. Its totient is φ = 49352198768.

The previous prime is 123380496931. The next prime is 123380496989. The reversal of 123380496940 is 49694083321.

It is a super-2 number, since 2×123380496940² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084512404 + ... + 3084512443.

It is an arithmetic number, because the mean of its divisors is an integer number (21591586968).

Almost surely, 2^123380496940 is an apocalyptic number.

123380496940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123380496940 is an abundant number, since it is smaller than the sum of its proper divisors (135718546676).

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

123380496940 is a wasteful number, since it uses less digits than its factorization.

123380496940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169024856 (or 6169024854 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 123380496940 in words is "one hundred twenty-three billion, three hundred eighty million, four hundred ninety-six thousand, nine hundred forty".