23043021522 has 32 divisors (see below), whose sum is σ = 46338739200. Its totient is φ = 7638927120.

The previous prime is 23043021493. The next prime is 23043021541. The reversal of 23043021522 is 22512034032.

It is a junction number, because it is equal to n+sod(n) for n = 23043021492 and 23043021501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025643 + ... + 5030225.

It is an arithmetic number, because the mean of its divisors is an integer number (1448085600).

Almost surely, 2^23043021522 is an apocalyptic number.

23043021522 is an abundant number, since it is smaller than the sum of its proper divisors (23295717678).

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

23043021522 is a wasteful number, since it uses less digits than its factorization.

23043021522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 23043021522 its reverse (22512034032), we get a palindrome (45555055554).

The spelling of 23043021522 in words is "twenty-three billion, forty-three million, twenty-one thousand, five hundred twenty-two".