743123 has 2 divisors, whose sum is σ = 743124. Its totient is φ = 743122.

The previous prime is 743111. The next prime is 743129. The reversal of 743123 is 321347.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 743123 - 2⁶ = 743059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 743095 and 743104.

It is not a weakly prime, because it can be changed into another prime (743129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371561 + 371562.

It is an arithmetic number, because the mean of its divisors is an integer number (371562).

2⁷⁴³¹²³ is an apocalyptic number.

743123 is a deficient number, since it is larger than the sum of its proper divisors (1).

743123 is an equidigital number, since it uses as much as digits as its factorization.

743123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 20.

The square root of 743123 is about 862.0458224480. The cubic root of 743123 is about 90.5774801207.

The spelling of 743123 in words is "seven hundred forty-three thousand, one hundred twenty-three", and thus it is an iban number.