23973319 has 2 divisors, whose sum is σ = 23973320. Its totient is φ = 23973318.

The previous prime is 23973311. The next prime is 23973347. The reversal of 23973319 is 91337932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23973319 - 2³ = 23973311 is a prime.

It is a super-3 number, since 3×23973319³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23973311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11986659 + 11986660.

It is an arithmetic number, because the mean of its divisors is an integer number (11986660).

Almost surely, 2^23973319 is an apocalyptic number.

23973319 is a deficient number, since it is larger than the sum of its proper divisors (1).

23973319 is an equidigital number, since it uses as much as digits as its factorization.

23973319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 37.

The square root of 23973319 is about 4896.2556101576. The cubic root of 23973319 is about 288.3429837022.

The spelling of 23973319 in words is "twenty-three million, nine hundred seventy-three thousand, three hundred nineteen".