23973691392 has 512 divisors, whose sum is σ = 83884800000. Its totient is φ = 6762921984.

The previous prime is 23973691327. The next prime is 23973691403. The reversal of 23973691392 is 29319637932.

It is a tau number, because it is divible by the number of its divisors (512).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303464409 + ... + 303464487.

It is an arithmetic number, because the mean of its divisors is an integer number (163837500).

Almost surely, 2^23973691392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23973691392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41942400000).

23973691392 is an abundant number, since it is smaller than the sum of its proper divisors (59911108608).

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

23973691392 is an frugal number, since it uses more digits than its factorization.

23973691392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 91 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 54.

The spelling of 23973691392 in words is "twenty-three billion, nine hundred seventy-three million, six hundred ninety-one thousand, three hundred ninety-two".