23421803 has 2 divisors, whose sum is σ = 23421804. Its totient is φ = 23421802.

The previous prime is 23421791. The next prime is 23421823. The reversal of 23421803 is 30812432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23421803 - 2⁴ = 23421787 is a prime.

It is not a weakly prime, because it can be changed into another prime (23421823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710901 + 11710902.

It is an arithmetic number, because the mean of its divisors is an integer number (11710902).

Almost surely, 2^23421803 is an apocalyptic number.

23421803 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421803 is an equidigital number, since it uses as much as digits as its factorization.

23421803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23421803 is about 4839.6077320378. The cubic root of 23421803 is about 286.1146580877.

The spelling of 23421803 in words is "twenty-three million, four hundred twenty-one thousand, eight hundred three".