23023312450 has 24 divisors (see below), whose sum is σ = 43216246260. Its totient is φ = 9124833600.

The previous prime is 23023312441. The next prime is 23023312451. The reversal of 23023312450 is 5421332032.

It can be written as a sum of positive squares in 6 ways, for example, as 17063935641 + 5959376809 = 130629^2 + 77197^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23023312451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106781 + ... + 2117680.

Almost surely, 2^23023312450 is an apocalyptic number.

23023312450 is a deficient number, since it is larger than the sum of its proper divisors (20192933810).

23023312450 is a wasteful number, since it uses less digits than its factorization.

23023312450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224582 (or 4224577 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23023312450 its reverse (5421332032), we get a palindrome (28444644482).

The spelling of 23023312450 in words is "twenty-three billion, twenty-three million, three hundred twelve thousand, four hundred fifty".