23145293 has 2 divisors, whose sum is σ = 23145294. Its totient is φ = 23145292.

The previous prime is 23145281. The next prime is 23145299. The reversal of 23145293 is 39254132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21501769 + 1643524 = 4637^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 23145293 - 2¹⁸ = 22883149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23145299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572646 + 11572647.

It is an arithmetic number, because the mean of its divisors is an integer number (11572647).

Almost surely, 2^23145293 is an apocalyptic number.

It is an amenable number.

23145293 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145293 is an equidigital number, since it uses as much as digits as its factorization.

23145293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 23145293 is about 4810.9555183976. The cubic root of 23145293 is about 284.9842732678.

The spelling of 23145293 in words is "twenty-three million, one hundred forty-five thousand, two hundred ninety-three".