23213230220312 has 64 divisors (see below), whose sum is σ = 49549443068160. Its totient is φ = 10092012515200.

The previous prime is 23213230220269. The next prime is 23213230220339. The reversal of 23213230220312 is 21302203231232.

It is a super-2 number, since 2×23213230220312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 29508278 + ... + 30284730.

It is an arithmetic number, because the mean of its divisors is an integer number (774210047940).

Almost surely, 2^{23213230220312} is an apocalyptic number.

23213230220312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23213230220312 is an abundant number, since it is smaller than the sum of its proper divisors (26336212847848).

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

23213230220312 is a wasteful number, since it uses less digits than its factorization.

23213230220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791264 (or 791260 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23213230220312 its reverse (21302203231232), we get a palindrome (44515433451544).

The spelling of 23213230220312 in words is "twenty-three trillion, two hundred thirteen billion, two hundred thirty million, two hundred twenty thousand, three hundred twelve".