23827747530 has 32 divisors (see below), whose sum is σ = 57195762624. Its totient is φ = 6353047296.

The previous prime is 23827747511. The next prime is 23827747561. The reversal of 23827747530 is 3574772832.

It is a super-2 number, since 2×23827747530² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23827747530.

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 15 ways as a sum of consecutive naturals, for example, 136929 + ... + 257691.

It is an arithmetic number, because the mean of its divisors is an integer number (1787367582).

Almost surely, 2^23827747530 is an apocalyptic number.

23827747530 is an abundant number, since it is smaller than the sum of its proper divisors (33368015094).

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

23827747530 is a wasteful number, since it uses less digits than its factorization.

23827747530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127350.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 23827747530 in words is "twenty-three billion, eight hundred twenty-seven million, seven hundred forty-seven thousand, five hundred thirty".