23075287 has 2 divisors, whose sum is σ = 23075288. Its totient is φ = 23075286.

The previous prime is 23075249. The next prime is 23075303. The reversal of 23075287 is 78257032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23075287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23075207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11537643 + 11537644.

It is an arithmetic number, because the mean of its divisors is an integer number (11537644).

Almost surely, 2^23075287 is an apocalyptic number.

23075287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23075287 is an equidigital number, since it uses as much as digits as its factorization.

23075287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 23075287 is about 4803.6743228491. The cubic root of 23075287 is about 284.6966588874.

The spelling of 23075287 in words is "twenty-three million, seventy-five thousand, two hundred eighty-seven".