7123003 has 2 divisors, whose sum is σ = 7123004. Its totient is φ = 7123002.

The previous prime is 7122989. The next prime is 7123021. The reversal of 7123003 is 3003217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7123003 - 2⁹ = 7122491 is a prime.

It is not a weakly prime, because it can be changed into another prime (7123063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561501 + 3561502.

It is an arithmetic number, because the mean of its divisors is an integer number (3561502).

Almost surely, 2^7123003 is an apocalyptic number.

7123003 is a deficient number, since it is larger than the sum of its proper divisors (1).

7123003 is an equidigital number, since it uses as much as digits as its factorization.

7123003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 7123003 is about 2668.8954644197. The cubic root of 7123003 is about 192.4070772074.

The spelling of 7123003 in words is "seven million, one hundred twenty-three thousand, three".