123424617188 has 12 divisors (see below), whose sum is σ = 217286452992. Its totient is φ = 61342773480.

The previous prime is 123424617079. The next prime is 123424617227. The reversal of 123424617188 is 881716424321.

It is a super-2 number, since 2×123424617188² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92383028 + ... + 92384363.

It is an arithmetic number, because the mean of its divisors is an integer number (18107204416).

Almost surely, 2^123424617188 is an apocalyptic number.

It is an amenable number.

123424617188 is a deficient number, since it is larger than the sum of its proper divisors (93861835804).

123424617188 is a wasteful number, since it uses less digits than its factorization.

123424617188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184767562 (or 184767560 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The spelling of 123424617188 in words is "one hundred twenty-three billion, four hundred twenty-four million, six hundred seventeen thousand, one hundred eighty-eight".