23146403 has 4 divisors (see below), whose sum is σ = 26453040. Its totient is φ = 19839768.

The previous prime is 23146393. The next prime is 23146439. The reversal of 23146403 is 30464132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23146403 - 2¹⁰ = 23145379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23146463) 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 in 3 ways as a sum of consecutive naturals, for example, 1653308 + ... + 1653321.

It is an arithmetic number, because the mean of its divisors is an integer number (6613260).

Almost surely, 2^23146403 is an apocalyptic number.

23146403 is a deficient number, since it is larger than the sum of its proper divisors (3306637).

23146403 is an equidigital number, since it uses as much as digits as its factorization.

23146403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306636.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23146403 is about 4811.0708787130. The cubic root of 23146403 is about 284.9888289455.

The spelling of 23146403 in words is "twenty-three million, one hundred forty-six thousand, four hundred three".