23148287 has 2 divisors, whose sum is σ = 23148288. Its totient is φ = 23148286.

The previous prime is 23148269. The next prime is 23148311. The reversal of 23148287 is 78284132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23148287 - 2¹⁶ = 23082751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23148217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11574143 + 11574144.

It is an arithmetic number, because the mean of its divisors is an integer number (11574144).

Almost surely, 2^23148287 is an apocalyptic number.

23148287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23148287 is an equidigital number, since it uses as much as digits as its factorization.

23148287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The square root of 23148287 is about 4811.2666731330. The cubic root of 23148287 is about 284.9965609516.

It can be divided in two parts, 2314 and 8287, that added together give a palindrome (10601).

The spelling of 23148287 in words is "twenty-three million, one hundred forty-eight thousand, two hundred eighty-seven".