12453923 has 2 divisors, whose sum is σ = 12453924. Its totient is φ = 12453922.

The previous prime is 12453907. The next prime is 12453929. The reversal of 12453923 is 32935421.

It is a strong prime.

It is an emirp because it is prime and its reverse (32935421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12453923 - 2⁴ = 12453907 is a prime.

It is not a weakly prime, because it can be changed into another prime (12453929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226961 + 6226962.

It is an arithmetic number, because the mean of its divisors is an integer number (6226962).

Almost surely, 2^12453923 is an apocalyptic number.

12453923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453923 is an equidigital number, since it uses as much as digits as its factorization.

12453923 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 12453923 is about 3529.0116180030. The cubic root of 12453923 is about 231.7939299272.

The spelling of 12453923 in words is "twelve million, four hundred fifty-three thousand, nine hundred twenty-three".