23011320223320 has 512 divisors, whose sum is σ = 86098220974080. Its totient is φ = 4833803796480.

The previous prime is 23011320223231. The next prime is 23011320223387. The reversal of 23011320223320 is 2332202311032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 111625782 + ... + 111831738.

It is an arithmetic number, because the mean of its divisors is an integer number (168160587840).

Almost surely, 2^{23011320223320} is an apocalyptic number.

23011320223320 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 23011320223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43049110487040).

23011320223320 is an abundant number, since it is smaller than the sum of its proper divisors (63086900750760).

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

23011320223320 is a wasteful number, since it uses less digits than its factorization.

23011320223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206395 (or 206391 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23011320223320 its reverse (2332202311032), we get a palindrome (25343522534352).

The spelling of 23011320223320 in words is "twenty-three trillion, eleven billion, three hundred twenty million, two hundred twenty-three thousand, three hundred twenty".