742016123 has 2 divisors, whose sum is σ = 742016124. Its totient is φ = 742016122.

The previous prime is 742016117. The next prime is 742016129. The reversal of 742016123 is 321610247.

742016123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (742016117) and next prime (742016129).

It is a cyclic number.

It is not a de Polignac number, because 742016123 - 2¹² = 742012027 is a prime.

It is a super-2 number, since 2×742016123² = 1101175853583902258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 742016092 and 742016101.

It is not a weakly prime, because it can be changed into another prime (742016129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371008061 + 371008062.

It is an arithmetic number, because the mean of its divisors is an integer number (371008062).

Almost surely, 2^742016123 is an apocalyptic number.

742016123 is a deficient number, since it is larger than the sum of its proper divisors (1).

742016123 is an equidigital number, since it uses as much as digits as its factorization.

742016123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 742016123 is about 27239.9728891201. The cubic root of 742016123 is about 905.3248624631.

The spelling of 742016123 in words is "seven hundred forty-two million, sixteen thousand, one hundred twenty-three".