23906493 has 12 divisors (see below), whose sum is σ = 37188060. Its totient is φ = 14711616.

The previous prime is 23906483. The next prime is 23906497. The reversal of 23906493 is 39460932.

It is a happy number.

23906493 is a `hidden beast` number, since 2 + 3 + 9 + 0 + 649 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16305444 + 7601049 = 4038^2 + 2757^2 .

It is not a de Polignac number, because 23906493 - 2⁵ = 23906461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23906497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102048 + ... + 102281.

It is an arithmetic number, because the mean of its divisors is an integer number (3099005).

Almost surely, 2^23906493 is an apocalyptic number.

It is an amenable number.

23906493 is a deficient number, since it is larger than the sum of its proper divisors (13281567).

23906493 is a wasteful number, since it uses less digits than its factorization.

23906493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204348 (or 204345 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 23906493 is about 4889.4266535045. The cubic root of 23906493 is about 288.0748141864.

The spelling of 23906493 in words is "twenty-three million, nine hundred six thousand, four hundred ninety-three".