23115319 has 2 divisors, whose sum is σ = 23115320. Its totient is φ = 23115318.

The previous prime is 23115271. The next prime is 23115331. The reversal of 23115319 is 91351132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23115319 - 2²¹ = 21018167 is a prime.

It is a super-2 number, since 2×23115319² = 1068635944943522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23115293 and 23115302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23115919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11557659 + 11557660.

It is an arithmetic number, because the mean of its divisors is an integer number (11557660).

Almost surely, 2^23115319 is an apocalyptic number.

23115319 is a deficient number, since it is larger than the sum of its proper divisors (1).

23115319 is an equidigital number, since it uses as much as digits as its factorization.

23115319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 25.

The square root of 23115319 is about 4807.8393275982. The cubic root of 23115319 is about 284.8611984420.

The spelling of 23115319 in words is "twenty-three million, one hundred fifteen thousand, three hundred nineteen".