23201222320 has 40 divisors (see below), whose sum is σ = 53959599936. Its totient is φ = 9277605888.

The previous prime is 23201222279. The next prime is 23201222333. The reversal of 23201222320 is 2322210232.

It is a tau number, because it is divible by the number of its divisors (40).

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, 224064 + ... + 310816.

Almost surely, 2^23201222320 is an apocalyptic number.

23201222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23201222320 is an abundant number, since it is smaller than the sum of its proper divisors (30758377616).

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

23201222320 is a wasteful number, since it uses less digits than its factorization.

23201222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90109 (or 90103 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23201222320 its reverse (2322210232), we get a palindrome (25523432552).

The spelling of 23201222320 in words is "twenty-three billion, two hundred one million, two hundred twenty-two thousand, three hundred twenty".