23394403 has 2 divisors, whose sum is σ = 23394404. Its totient is φ = 23394402.

The previous prime is 23394361. The next prime is 23394407. The reversal of 23394403 is 30449332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23394403 - 2⁹ = 23393891 is a prime.

It is not a weakly prime, because it can be changed into another prime (23394407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11697201 + 11697202.

It is an arithmetic number, because the mean of its divisors is an integer number (11697202).

Almost surely, 2^23394403 is an apocalyptic number.

23394403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23394403 is an equidigital number, since it uses as much as digits as its factorization.

23394403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 23394403 is about 4836.7760957067. The cubic root of 23394403 is about 286.0030441262.

The spelling of 23394403 in words is "twenty-three million, three hundred ninety-four thousand, four hundred three".