23443120323 has 72 divisors (see below), whose sum is σ = 41253758208. Its totient is φ = 12766789728.

The previous prime is 23443120321. The next prime is 23443120331. The reversal of 23443120323 is 32302134432.

23443120323 is a `hidden beast` number, since 2 + 3 + 4 + 431 + 203 + 23 = 666.

It is not a de Polignac number, because 23443120323 - 2¹ = 23443120321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23443120321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2866386 + ... + 2874552.

It is an arithmetic number, because the mean of its divisors is an integer number (572968864).

Almost surely, 2^23443120323 is an apocalyptic number.

23443120323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23443120323 is a deficient number, since it is larger than the sum of its proper divisors (17810637885).

23443120323 is a wasteful number, since it uses less digits than its factorization.

23443120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493 (or 8483 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 23443120323 its reverse (32302134432), we get a palindrome (55745254755).

The spelling of 23443120323 in words is "twenty-three billion, four hundred forty-three million, one hundred twenty thousand, three hundred twenty-three".