23426503 has 4 divisors (see below), whose sum is σ = 23747488. Its totient is φ = 23105520.

The previous prime is 23426497. The next prime is 23426531. The reversal of 23426503 is 30562432.

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 23426503 - 2⁹ = 23425991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426203) 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, 160383 + ... + 160528.

It is an arithmetic number, because the mean of its divisors is an integer number (5936872).

Almost surely, 2^23426503 is an apocalyptic number.

23426503 is a deficient number, since it is larger than the sum of its proper divisors (320985).

23426503 is an equidigital number, since it uses as much as digits as its factorization.

23426503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320984.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 23426503 is about 4840.0932842250. The cubic root of 23426503 is about 286.1337948005.

Adding to 23426503 its reverse (30562432), we get a palindrome (53988935).

The spelling of 23426503 in words is "twenty-three million, four hundred twenty-six thousand, five hundred three".