23213113320 has 64 divisors (see below), whose sum is σ = 69773192640. Its totient is φ = 6178265600.

The previous prime is 23213113309. The next prime is 23213113367. The reversal of 23213113320 is 2331131232.

It is a super-2 number, since 2×23213113320² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123126 + ... + 248165.

It is an arithmetic number, because the mean of its divisors is an integer number (1090206135).

Almost surely, 2^23213113320 is an apocalyptic number.

23213113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23213113320 is an abundant number, since it is smaller than the sum of its proper divisors (46560079320).

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

23213113320 is a wasteful number, since it uses less digits than its factorization.

23213113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371826 (or 371822 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23213113320 its reverse (2331131232), we get a palindrome (25544244552).

The spelling of 23213113320 in words is "twenty-three billion, two hundred thirteen million, one hundred thirteen thousand, three hundred twenty".