123242361656 has 32 divisors (see below), whose sum is σ = 233000388000. Its totient is φ = 61110241920.

The previous prime is 123242361623. The next prime is 123242361707. The reversal of 123242361656 is 656163242321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670226 + ... + 834078.

It is an arithmetic number, because the mean of its divisors is an integer number (7281262125).

Almost surely, 2^123242361656 is an apocalyptic number.

It is an amenable number.

123242361656 is a deficient number, since it is larger than the sum of its proper divisors (109758026344).

123242361656 is a wasteful number, since it uses less digits than its factorization.

123242361656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164639 (or 164635 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 123242361656 in words is "one hundred twenty-three billion, two hundred forty-two million, three hundred sixty-one thousand, six hundred fifty-six".