23402343 has 4 divisors (see below), whose sum is σ = 31203128. Its totient is φ = 15601560.

The previous prime is 23402299. The next prime is 23402347. The reversal of 23402343 is 34320432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23402343 - 2⁶ = 23402279 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900388 + ... + 3900393.

It is an arithmetic number, because the mean of its divisors is an integer number (7800782).

Almost surely, 2^23402343 is an apocalyptic number.

23402343 is a deficient number, since it is larger than the sum of its proper divisors (7800785).

23402343 is an equidigital number, since it uses as much as digits as its factorization.

23402343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800784.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23402343 is about 4837.5968207365. The cubic root of 23402343 is about 286.0353966981.

Adding to 23402343 its reverse (34320432), we get a palindrome (57722775).

The spelling of 23402343 in words is "twenty-three million, four hundred two thousand, three hundred forty-three".