23671493 has 2 divisors, whose sum is σ = 23671494. Its totient is φ = 23671492.

The previous prime is 23671469. The next prime is 23671513. The reversal of 23671493 is 39417632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23493409 + 178084 = 4847^2 + 422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23671493 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 (23671423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11835746 + 11835747.

It is an arithmetic number, because the mean of its divisors is an integer number (11835747).

Almost surely, 2^23671493 is an apocalyptic number.

It is an amenable number.

23671493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23671493 is an equidigital number, since it uses as much as digits as its factorization.

23671493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 23671493 is about 4865.3358568551. The cubic root of 23671493 is about 287.1277824554.

The spelling of 23671493 in words is "twenty-three million, six hundred seventy-one thousand, four hundred ninety-three".