23403343 has 2 divisors, whose sum is σ = 23403344. Its totient is φ = 23403342.

The previous prime is 23403329. The next prime is 23403349. The reversal of 23403343 is 34330432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23403343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23403349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701671 + 11701672.

It is an arithmetic number, because the mean of its divisors is an integer number (11701672).

Almost surely, 2^23403343 is an apocalyptic number.

23403343 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403343 is an equidigital number, since it uses as much as digits as its factorization.

23403343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 23403343 is about 4837.7001767369. The cubic root of 23403343 is about 286.0394708104.

Adding to 23403343 its reverse (34330432), we get a palindrome (57733775).

The spelling of 23403343 in words is "twenty-three million, four hundred three thousand, three hundred forty-three".