23201323122 has 32 divisors (see below), whose sum is σ = 47800526400. Its totient is φ = 7503209280.

The previous prime is 23201323081. The next prime is 23201323127. The reversal of 23201323122 is 22132310232.

It is a happy number.

It is a super-2 number, since 2×23201323122² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23201323127) 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, 263329 + ... + 340212.

It is an arithmetic number, because the mean of its divisors is an integer number (1493766450).

Almost surely, 2^23201323122 is an apocalyptic number.

23201323122 is an abundant number, since it is smaller than the sum of its proper divisors (24599203278).

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

23201323122 is a wasteful number, since it uses less digits than its factorization.

23201323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603738.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23201323122 its reverse (22132310232), we get a palindrome (45333633354).

The spelling of 23201323122 in words is "twenty-three billion, two hundred one million, three hundred twenty-three thousand, one hundred twenty-two".