23943834 has 12 divisors (see below), whose sum is σ = 51878346. Its totient is φ = 7981272.

The previous prime is 23943833. The next prime is 23943839. The reversal of 23943834 is 43834932.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18948609 + 4995225 = 4353^2 + 2235^2 .

It is not an unprimeable number, because it can be changed into a prime (23943833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665089 + ... + 665124.

Almost surely, 2^23943834 is an apocalyptic number.

23943834 is an abundant number, since it is smaller than the sum of its proper divisors (27934512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23943834 is a wasteful number, since it uses less digits than its factorization.

23943834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330221 (or 1330218 counting only the distinct ones).

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

The square root of 23943834 is about 4893.2437094426. The cubic root of 23943834 is about 288.2247233320.

It can be divided in two parts, 2 and 3943834, that added together give a triangular number (3943836 = T₂₈₀₈).

The spelling of 23943834 in words is "twenty-three million, nine hundred forty-three thousand, eight hundred thirty-four".