23433440215504 has 40 divisors (see below), whose sum is σ = 49530044249280. Its totient is φ = 10651505049600.

The previous prime is 23433440215421. The next prime is 23433440215511. The reversal of 23433440215504 is 40551204433432.

It is a super-2 number, since 2×23433440215504² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57806032 + ... + 58210000.

It is an arithmetic number, because the mean of its divisors is an integer number (1238251106232).

Almost surely, 2^{23433440215504} is an apocalyptic number.

It is an amenable number.

23433440215504 is an abundant number, since it is smaller than the sum of its proper divisors (26096604033776).

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

23433440215504 is a wasteful number, since it uses less digits than its factorization.

23433440215504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733579 (or 733573 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 23433440215504 its reverse (40551204433432), we get a palindrome (63984644648936).

The spelling of 23433440215504 in words is "twenty-three trillion, four hundred thirty-three billion, four hundred forty million, two hundred fifteen thousand, five hundred four".