23122493 has 2 divisors, whose sum is σ = 23122494. Its totient is φ = 23122492.

The previous prime is 23122427. The next prime is 23122507. The reversal of 23122493 is 39422132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17749369 + 5373124 = 4213^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122493 - 2¹² = 23118397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23122403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561246 + 11561247.

It is an arithmetic number, because the mean of its divisors is an integer number (11561247).

Almost surely, 2^23122493 is an apocalyptic number.

It is an amenable number.

23122493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122493 is an equidigital number, since it uses as much as digits as its factorization.

23122493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 23122493 is about 4808.5853429049. The cubic root of 23122493 is about 284.8906649451.

The spelling of 23122493 in words is "twenty-three million, one hundred twenty-two thousand, four hundred ninety-three".