23319743 has 2 divisors, whose sum is σ = 23319744. Its totient is φ = 23319742.

The previous prime is 23319739. The next prime is 23319761. The reversal of 23319743 is 34791332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23319743 - 2² = 23319739 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23319343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11659871 + 11659872.

It is an arithmetic number, because the mean of its divisors is an integer number (11659872).

Almost surely, 2^23319743 is an apocalyptic number.

23319743 is a deficient number, since it is larger than the sum of its proper divisors (1).

23319743 is an equidigital number, since it uses as much as digits as its factorization.

23319743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 23319743 is about 4829.0519773554. The cubic root of 23319743 is about 285.6984735178.

The spelling of 23319743 in words is "twenty-three million, three hundred nineteen thousand, seven hundred forty-three".