744731123 has 2 divisors, whose sum is σ = 744731124. Its totient is φ = 744731122.

The previous prime is 744731101. The next prime is 744731137. The reversal of 744731123 is 321137447.

It is a strong prime.

It is an emirp because it is prime and its reverse (321137447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744731123 - 2⁶ = 744731059 is a prime.

It is a super-2 number, since 2×744731123² = 1109248891129682258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 744731123.

It is not a weakly prime, because it can be changed into another prime (744731173) 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, 372365561 + 372365562.

It is an arithmetic number, because the mean of its divisors is an integer number (372365562).

Almost surely, 2^744731123 is an apocalyptic number.

744731123 is a deficient number, since it is larger than the sum of its proper divisors (1).

744731123 is an equidigital number, since it uses as much as digits as its factorization.

744731123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 744731123 is about 27289.7622378796. The cubic root of 744731123 is about 906.4276979933.

The spelling of 744731123 in words is "seven hundred forty-four million, seven hundred thirty-one thousand, one hundred twenty-three".