23111302122320 has 80 divisors (see below), whose sum is σ = 54142777140480. Its totient is φ = 9174419369472.

The previous prime is 23111302122319. The next prime is 23111302122323. The reversal of 23111302122320 is 2322120311132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111302122323) 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, 3539447 + ... + 7664873.

It is an arithmetic number, because the mean of its divisors is an integer number (676784714256).

Almost surely, 2^{23111302122320} is an apocalyptic number.

23111302122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111302122320 is an abundant number, since it is smaller than the sum of its proper divisors (31031475018160).

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

23111302122320 is a wasteful number, since it uses less digits than its factorization.

23111302122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125972 (or 4125966 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23111302122320 its reverse (2322120311132), we get a palindrome (25433422433452).

The spelling of 23111302122320 in words is "twenty-three trillion, one hundred eleven billion, three hundred two million, one hundred twenty-two thousand, three hundred twenty".