23919097 has 2 divisors, whose sum is σ = 23919098. Its totient is φ = 23919096.

The previous prime is 23919083. The next prime is 23919127. The reversal of 23919097 is 79091932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16168441 + 7750656 = 4021^2 + 2784^2 .

It is a cyclic number.

It is not a de Polignac number, because 23919097 - 2¹⁹ = 23394809 is a prime.

It is not a weakly prime, because it can be changed into another prime (23919037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11959548 + 11959549.

It is an arithmetic number, because the mean of its divisors is an integer number (11959549).

Almost surely, 2^23919097 is an apocalyptic number.

It is an amenable number.

23919097 is a deficient number, since it is larger than the sum of its proper divisors (1).

23919097 is an equidigital number, since it uses as much as digits as its factorization.

23919097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 23919097 is about 4890.7153873437. The cubic root of 23919097 is about 288.1254316351.

The spelling of 23919097 in words is "twenty-three million, nine hundred nineteen thousand, ninety-seven".