23421286152 has 96 divisors (see below), whose sum is σ = 69744430080. Its totient is φ = 7041444480.

The previous prime is 23421286123. The next prime is 23421286169. The reversal of 23421286152 is 25168212432.

23421286152 is a `hidden beast` number, since 2 + 3 + 421 + 2 + 86 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15843 + ... + 217010.

It is an arithmetic number, because the mean of its divisors is an integer number (726504480).

Almost surely, 2^23421286152 is an apocalyptic number.

23421286152 is a gapful number since it is divisible by the number (22) 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 23421286152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34872215040).

23421286152 is an abundant number, since it is smaller than the sum of its proper divisors (46323143928).

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

23421286152 is a wasteful number, since it uses less digits than its factorization.

23421286152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233003 (or 232996 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

Adding to 23421286152 its reverse (25168212432), we get a palindrome (48589498584).

The spelling of 23421286152 in words is "twenty-three billion, four hundred twenty-one million, two hundred eighty-six thousand, one hundred fifty-two".