123422657740 has 96 divisors (see below), whose sum is σ = 264951417024. Its totient is φ = 48283361280.

The previous prime is 123422657719. The next prime is 123422657789. The reversal of 123422657740 is 47756224321.

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 31 ways as a sum of consecutive naturals, for example, 163041442 + ... + 163042198.

It is an arithmetic number, because the mean of its divisors is an integer number (2759910594).

Almost surely, 2^123422657740 is an apocalyptic number.

123422657740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123422657740 is an abundant number, since it is smaller than the sum of its proper divisors (141528759284).

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

123422657740 is a wasteful number, since it uses less digits than its factorization.

123422657740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 123422657740 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred fifty-seven thousand, seven hundred forty".