23266403 has 4 divisors (see below), whose sum is σ = 23276640. Its totient is φ = 23256168.

The previous prime is 23266391. The next prime is 23266423. The reversal of 23266403 is 30466232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23266403 - 2¹⁰ = 23265379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23266423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (5819160).

Almost surely, 2^23266403 is an apocalyptic number.

23266403 is a deficient number, since it is larger than the sum of its proper divisors (10237).

23266403 is an equidigital number, since it uses as much as digits as its factorization.

23266403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 23266403 is about 4823.5259924665. The cubic root of 23266403 is about 285.4804781141.

The spelling of 23266403 in words is "twenty-three million, two hundred sixty-six thousand, four hundred three".