123766423392 has 24 divisors (see below), whose sum is σ = 324886861656. Its totient is φ = 41255474432.

The previous prime is 123766423381. The next prime is 123766423411. The reversal of 123766423392 is 293324667321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 644616693 + ... + 644616884.

It is an arithmetic number, because the mean of its divisors is an integer number (13536952569).

Almost surely, 2^123766423392 is an apocalyptic number.

123766423392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123766423392 is an abundant number, since it is smaller than the sum of its proper divisors (201120438264).

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

123766423392 is a wasteful number, since it uses less digits than its factorization.

123766423392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289233590 (or 1289233582 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 48.

The spelling of 123766423392 in words is "one hundred twenty-three billion, seven hundred sixty-six million, four hundred twenty-three thousand, three hundred ninety-two".