742659823 has 2 divisors, whose sum is σ = 742659824. Its totient is φ = 742659822.

The previous prime is 742659817. The next prime is 742659881. The reversal of 742659823 is 328956247.

742659823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742659823 - 2⁵ = 742659791 is a prime.

It is a super-2 number, since 2×742659823² = 1103087225396782658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742650823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371329911 + 371329912.

It is an arithmetic number, because the mean of its divisors is an integer number (371329912).

Almost surely, 2^742659823 is an apocalyptic number.

742659823 is a deficient number, since it is larger than the sum of its proper divisors (1).

742659823 is an equidigital number, since it uses as much as digits as its factorization.

742659823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 742659823 is about 27251.7856846116. The cubic root of 742659823 is about 905.5865769833.

The spelling of 742659823 in words is "seven hundred forty-two million, six hundred fifty-nine thousand, eight hundred twenty-three".