743423 has 2 divisors, whose sum is σ = 743424. Its totient is φ = 743422.

The previous prime is 743401. The next prime is 743447. The reversal of 743423 is 324347.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 743423 - 2⁸ = 743167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371711 + 371712.

It is an arithmetic number, because the mean of its divisors is an integer number (371712).

2⁷⁴³⁴²³ is an apocalyptic number.

743423 is a deficient number, since it is larger than the sum of its proper divisors (1).

743423 is an equidigital number, since it uses as much as digits as its factorization.

743423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 23.

The square root of 743423 is about 862.2198095613. The cubic root of 743423 is about 90.5896672410.

The spelling of 743423 in words is "seven hundred forty-three thousand, four hundred twenty-three", and thus it is an iban number.