23521471336 has 16 divisors (see below), whose sum is σ = 48112100640. Its totient is φ = 10691577840.

The previous prime is 23521471321. The next prime is 23521471349. The reversal of 23521471336 is 63317412532.

It is a super-2 number, since 2×23521471336² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23521471295 and 23521471304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133644636 + ... + 133644811.

It is an arithmetic number, because the mean of its divisors is an integer number (3007006290).

Almost surely, 2^23521471336 is an apocalyptic number.

It is an amenable number.

23521471336 is an abundant number, since it is smaller than the sum of its proper divisors (24590629304).

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

23521471336 is a wasteful number, since it uses less digits than its factorization.

23521471336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267289464 (or 267289460 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

Adding to 23521471336 its reverse (63317412532), we get a palindrome (86838883868).

The spelling of 23521471336 in words is "twenty-three billion, five hundred twenty-one million, four hundred seventy-one thousand, three hundred thirty-six".