23811273243 has 8 divisors (see below), whose sum is σ = 35275960400. Its totient is φ = 15874182144.

The previous prime is 23811273229. The next prime is 23811273257. The reversal of 23811273243 is 34237211832.

23811273243 is a `hidden beast` number, since 2 + 381 + 1 + 273 + 2 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (23811273229) and next prime (23811273257).

It is not a de Polignac number, because 23811273243 - 2⁹ = 23811272731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23811273198 and 23811273207.

It is not an unprimeable number, because it can be changed into a prime (23811273293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440949478 + ... + 440949531.

It is an arithmetic number, because the mean of its divisors is an integer number (4409495050).

Almost surely, 2^23811273243 is an apocalyptic number.

23811273243 is a deficient number, since it is larger than the sum of its proper divisors (11464687157).

23811273243 is an equidigital number, since it uses as much as digits as its factorization.

23811273243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881899018 (or 881899012 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The spelling of 23811273243 in words is "twenty-three billion, eight hundred eleven million, two hundred seventy-three thousand, two hundred forty-three".