23490503 has 2 divisors, whose sum is σ = 23490504. Its totient is φ = 23490502.

The previous prime is 23490487. The next prime is 23490541. The reversal of 23490503 is 30509432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23490503 - 2⁴ = 23490487 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23490703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11745251 + 11745252.

It is an arithmetic number, because the mean of its divisors is an integer number (11745252).

Almost surely, 2^23490503 is an apocalyptic number.

23490503 is a deficient number, since it is larger than the sum of its proper divisors (1).

23490503 is an equidigital number, since it uses as much as digits as its factorization.

23490503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23490503 is about 4846.7002176739. The cubic root of 23490503 is about 286.3941254725.

Adding to 23490503 its reverse (30509432), we get a palindrome (53999935).

The spelling of 23490503 in words is "twenty-three million, four hundred ninety thousand, five hundred three".