23422053520 has 80 divisors (see below), whose sum is σ = 55195163712. Its totient is φ = 9242380800.

The previous prime is 23422053497. The next prime is 23422053527. The reversal of 23422053520 is 2535022432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (23422053527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281519 + ... + 2291761.

Almost surely, 2^23422053520 is an apocalyptic number.

23422053520 is a gapful number since it is divisible by the number (20) 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 23422053520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27597581856).

23422053520 is an abundant number, since it is smaller than the sum of its proper divisors (31773110192).

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

23422053520 is a wasteful number, since it uses less digits than its factorization.

23422053520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640 (or 10634 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 23422053520 its reverse (2535022432), we get a palindrome (25957075952).

The spelling of 23422053520 in words is "twenty-three billion, four hundred twenty-two million, fifty-three thousand, five hundred twenty".