23130493 has 2 divisors, whose sum is σ = 23130494. Its totient is φ = 23130492.

The previous prime is 23130491. The next prime is 23130509. The reversal of 23130493 is 39403132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23059204 + 71289 = 4802^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130493 - 2¹ = 23130491 is a prime.

Together with 23130491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23130491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565246 + 11565247.

It is an arithmetic number, because the mean of its divisors is an integer number (11565247).

Almost surely, 2^23130493 is an apocalyptic number.

It is an amenable number.

23130493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130493 is an equidigital number, since it uses as much as digits as its factorization.

23130493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 23130493 is about 4809.4171164498. The cubic root of 23130493 is about 284.9235169755.

The spelling of 23130493 in words is "twenty-three million, one hundred thirty thousand, four hundred ninety-three".