23802543 has 6 divisors (see below), whose sum is σ = 34381464. Its totient is φ = 15868356.

The previous prime is 23802511. The next prime is 23802553. The reversal of 23802543 is 34520832.

It is not a de Polignac number, because 23802543 - 2⁵ = 23802511 is a prime.

It is a super-2 number, since 2×23802543² = 1133122106533698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23802553) 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, 1322355 + ... + 1322372.

It is an arithmetic number, because the mean of its divisors is an integer number (5730244).

Almost surely, 2^23802543 is an apocalyptic number.

23802543 is a deficient number, since it is larger than the sum of its proper divisors (10578921).

23802543 is a wasteful number, since it uses less digits than its factorization.

23802543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644733 (or 2644730 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 23802543 is about 4878.7849921881. The cubic root of 23802543 is about 287.6566727659.

The spelling of 23802543 in words is "twenty-three million, eight hundred two thousand, five hundred forty-three".