23955497280 has 1120 divisors, whose sum is σ = 104835886848. Its totient is φ = 5109350400.

The previous prime is 23955497219. The next prime is 23955497311. The reversal of 23955497280 is 8279455932.

23955497280 is a `hidden beast` number, since 2 + 3 + 9 + 554 + 9 + 7 + 2 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 85250740 + ... + 85251020.

Almost surely, 2^23955497280 is an apocalyptic number.

23955497280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23955497280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52417943424).

23955497280 is an abundant number, since it is smaller than the sum of its proper divisors (80880389568).

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

23955497280 is a wasteful number, since it uses less digits than its factorization.

23955497280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 23955497280 in words is "twenty-three billion, nine hundred fifty-five million, four hundred ninety-seven thousand, two hundred eighty".