23977007544 has 32 divisors (see below), whose sum is σ = 68505736320. Its totient is φ = 6850573536.

The previous prime is 23977007507. The next prime is 23977007563. The reversal of 23977007544 is 44570077932.

It is a junction number, because it is equal to n+sod(n) for n = 23977007493 and 23977007502.

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, 71359974 + ... + 71360309.

It is an arithmetic number, because the mean of its divisors is an integer number (2140804260).

Almost surely, 2^23977007544 is an apocalyptic number.

23977007544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23977007544 is an abundant number, since it is smaller than the sum of its proper divisors (44528728776).

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

23977007544 is a wasteful number, since it uses less digits than its factorization.

23977007544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142720299 (or 142720295 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 23977007544 in words is "twenty-three billion, nine hundred seventy-seven million, seven thousand, five hundred forty-four".