23319797 has 2 divisors, whose sum is σ = 23319798. Its totient is φ = 23319796.

The previous prime is 23319761. The next prime is 23319811. The reversal of 23319797 is 79791332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19018321 + 4301476 = 4361^2 + 2074^2 .

It is a cyclic number.

It is not a de Polignac number, because 23319797 - 2¹⁶ = 23254261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23319727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11659898 + 11659899.

It is an arithmetic number, because the mean of its divisors is an integer number (11659899).

Almost surely, 2^23319797 is an apocalyptic number.

It is an amenable number.

23319797 is a deficient number, since it is larger than the sum of its proper divisors (1).

23319797 is an equidigital number, since it uses as much as digits as its factorization.

23319797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 41.

The square root of 23319797 is about 4829.0575685117. The cubic root of 23319797 is about 285.6986940420.

The spelling of 23319797 in words is "twenty-three million, three hundred nineteen thousand, seven hundred ninety-seven".