23530987854 has 36 divisors (see below), whose sum is σ = 56040057528. Its totient is φ = 7130601720.

The previous prime is 23530987849. The next prime is 23530987871. The reversal of 23530987854 is 45878903532.

23530987854 is a `hidden beast` number, since 23 + 530 + 9 + 8 + 7 + 85 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23530987854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5399794 + ... + 5404149.

Almost surely, 2^23530987854 is an apocalyptic number.

23530987854 is an abundant number, since it is smaller than the sum of its proper divisors (32509069674).

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

23530987854 is a wasteful number, since it uses less digits than its factorization.

23530987854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10803973 (or 10803959 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 23530987854 in words is "twenty-three billion, five hundred thirty million, nine hundred eighty-seven thousand, eight hundred fifty-four".