23353444312 has 96 divisors (see below), whose sum is σ = 52867180800. Its totient is φ = 9619093440.

The previous prime is 23353444199. The next prime is 23353444313. The reversal of 23353444312 is 21344435332.

It is a super-2 number, since 2×23353444312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23353444313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395413 + ... + 450619.

It is an arithmetic number, because the mean of its divisors is an integer number (550699800).

Almost surely, 2^23353444312 is an apocalyptic number.

23353444312 is a gapful number since it is divisible by the number (22) 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 23353444312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26433590400).

23353444312 is an abundant number, since it is smaller than the sum of its proper divisors (29513736488).

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

23353444312 is a wasteful number, since it uses less digits than its factorization.

23353444312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55277 (or 55262 counting only the distinct ones).

The product of its digits is 103680, while the sum is 34.

Adding to 23353444312 its reverse (21344435332), we get a palindrome (44697879644).

The spelling of 23353444312 in words is "twenty-three billion, three hundred fifty-three million, four hundred forty-four thousand, three hundred twelve".