23181623343 has 12 divisors (see below), whose sum is σ = 33489841528. Its totient is φ = 15451981200.

The previous prime is 23181623329. The next prime is 23181623383. The reversal of 23181623343 is 34332618132.

23181623343 is a `hidden beast` number, since 2 + 318 + 1 + 6 + 2 + 334 + 3 = 666.

It is not a de Polignac number, because 23181623343 - 2²¹ = 23179526191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23181623298 and 23181623307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23181623383) 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, 141580 + ... + 257697.

Almost surely, 2^23181623343 is an apocalyptic number.

23181623343 is a deficient number, since it is larger than the sum of its proper divisors (10308218185).

23181623343 is a wasteful number, since it uses less digits than its factorization.

23181623343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405734 (or 405731 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 23181623343 in words is "twenty-three billion, one hundred eighty-one million, six hundred twenty-three thousand, three hundred forty-three".