743402323 has 2 divisors, whose sum is σ = 743402324. Its totient is φ = 743402322.

The previous prime is 743402321. The next prime is 743402371. The reversal of 743402323 is 323204347.

It is a weak prime.

It is an emirp because it is prime and its reverse (323204347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 743402323 - 2¹ = 743402321 is a prime.

Together with 743402321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 743402291 and 743402300.

It is not a weakly prime, because it can be changed into another prime (743402321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371701161 + 371701162.

It is an arithmetic number, because the mean of its divisors is an integer number (371701162).

Almost surely, 2^743402323 is an apocalyptic number.

743402323 is a deficient number, since it is larger than the sum of its proper divisors (1).

743402323 is an equidigital number, since it uses as much as digits as its factorization.

743402323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 743402323 is about 27265.4052418078. The cubic root of 743402323 is about 905.8882736922. Note that the first 3 decimals are identical.

It can be divided in two parts, 74340 and 2323, that multiplied together give a triangular number (172691820 = T₁₈₅₈₄).

The spelling of 743402323 in words is "seven hundred forty-three million, four hundred two thousand, three hundred twenty-three".