123955700424 has 32 divisors (see below), whose sum is σ = 310885698240. Its totient is φ = 41185707200.

The previous prime is 123955700387. The next prime is 123955700437. The reversal of 123955700424 is 424007559321.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 8296107 + ... + 8311034.

It is an arithmetic number, because the mean of its divisors is an integer number (9715178070).

Almost surely, 2^123955700424 is an apocalyptic number.

It is an amenable number.

123955700424 is an abundant number, since it is smaller than the sum of its proper divisors (186929997816).

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

123955700424 is a wasteful number, since it uses less digits than its factorization.

123955700424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607461 (or 16607457 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 123955700424 in words is "one hundred twenty-three billion, nine hundred fifty-five million, seven hundred thousand, four hundred twenty-four".