7423903 has 2 divisors, whose sum is σ = 7423904. Its totient is φ = 7423902.

The previous prime is 7423891. The next prime is 7423909. The reversal of 7423903 is 3093247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7423903 is a prime.

It is a super-2 number, since 2×7423903² = 110228671506818, which contains 22 as substring.

7423903 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7423909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711951 + 3711952.

It is an arithmetic number, because the mean of its divisors is an integer number (3711952).

Almost surely, 2^7423903 is an apocalyptic number.

7423903 is a deficient number, since it is larger than the sum of its proper divisors (1).

7423903 is an equidigital number, since it uses as much as digits as its factorization.

7423903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 7423903 is about 2724.6840183772. The cubic root of 7423903 is about 195.0791088184.

The spelling of 7423903 in words is "seven million, four hundred twenty-three thousand, nine hundred three".