23891343 has 16 divisors (see below), whose sum is σ = 36595200. Its totient is φ = 13581216.

The previous prime is 23891323. The next prime is 23891347. The reversal of 23891343 is 34319832.

It is a happy number.

It is not a de Polignac number, because 23891343 - 2⁶ = 23891279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23891347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321 + ... + 7037.

It is an arithmetic number, because the mean of its divisors is an integer number (2287200).

Almost surely, 2^23891343 is an apocalyptic number.

23891343 is a deficient number, since it is larger than the sum of its proper divisors (12703857).

23891343 is a wasteful number, since it uses less digits than its factorization.

23891343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926.

The product of its digits is 15552, while the sum is 33.

The square root of 23891343 is about 4887.8771465740. The cubic root of 23891343 is about 288.0139484950.

The spelling of 23891343 in words is "twenty-three million, eight hundred ninety-one thousand, three hundred forty-three".