23989245143 has 4 divisors (see below), whose sum is σ = 24001176168. Its totient is φ = 23977314120.

The previous prime is 23989245101. The next prime is 23989245197. The reversal of 23989245143 is 34154298932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23989245143 - 2⁶ = 23989245079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23989245091 and 23989245100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23989242143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5962496 + ... + 5966517.

It is an arithmetic number, because the mean of its divisors is an integer number (6000294042).

Almost surely, 2^23989245143 is an apocalyptic number.

23989245143 is a deficient number, since it is larger than the sum of its proper divisors (11931025).

23989245143 is a wasteful number, since it uses less digits than its factorization.

23989245143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11931024.

The product of its digits is 1866240, while the sum is 50.

The spelling of 23989245143 in words is "twenty-three billion, nine hundred eighty-nine million, two hundred forty-five thousand, one hundred forty-three".