23112330320 has 40 divisors (see below), whose sum is σ = 53852315136. Its totient is φ = 9224949888.

The previous prime is 23112330301. The next prime is 23112330389. The reversal of 23112330320 is 2303321132.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23112330292 and 23112330301.

It is a congruent number.

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, 274952 + ... + 349031.

Almost surely, 2^23112330320 is an apocalyptic number.

23112330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112330320 is an abundant number, since it is smaller than the sum of its proper divisors (30739984816).

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

23112330320 is a wasteful number, since it uses less digits than its factorization.

23112330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624459 (or 624453 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23112330320 its reverse (2303321132), we get a palindrome (25415651452).

The spelling of 23112330320 in words is "twenty-three billion, one hundred twelve million, three hundred thirty thousand, three hundred twenty".