23381343 has 12 divisors (see below), whose sum is σ = 35550840. Its totient is φ = 14767056.

The previous prime is 23381333. The next prime is 23381359. The reversal of 23381343 is 34318332.

It is a de Polignac number, because none of the positive numbers 2^k-23381343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23381333) 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, 68196 + ... + 68537.

It is an arithmetic number, because the mean of its divisors is an integer number (2962570).

Almost surely, 2^23381343 is an apocalyptic number.

23381343 is a deficient number, since it is larger than the sum of its proper divisors (12169497).

23381343 is a wasteful number, since it uses less digits than its factorization.

23381343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136758 (or 136755 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 23381343 is about 4835.4258344018. The cubic root of 23381343 is about 285.9498135161.

Adding to 23381343 its reverse (34318332), we get a palindrome (57699675).

The spelling of 23381343 in words is "twenty-three million, three hundred eighty-one thousand, three hundred forty-three".