23820743 has 2 divisors, whose sum is σ = 23820744. Its totient is φ = 23820742.

The previous prime is 23820733. The next prime is 23820781. The reversal of 23820743 is 34702832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23820743 - 2⁸ = 23820487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23820733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11910371 + 11910372.

It is an arithmetic number, because the mean of its divisors is an integer number (11910372).

Almost surely, 2^23820743 is an apocalyptic number.

23820743 is a deficient number, since it is larger than the sum of its proper divisors (1).

23820743 is an equidigital number, since it uses as much as digits as its factorization.

23820743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23820743 is about 4880.6498542715. The cubic root of 23820743 is about 287.7299705035.

The spelling of 23820743 in words is "twenty-three million, eight hundred twenty thousand, seven hundred forty-three".