740216123 has 2 divisors, whose sum is σ = 740216124. Its totient is φ = 740216122.

The previous prime is 740216111. The next prime is 740216143. The reversal of 740216123 is 321612047.

It is a weak prime.

It is an emirp because it is prime and its reverse (321612047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740216123 - 2¹² = 740212027 is a prime.

It is a super-2 number, since 2×740216123² = 1095839817498302258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 740216092 and 740216101.

It is not a weakly prime, because it can be changed into another prime (740216143) 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, 370108061 + 370108062.

It is an arithmetic number, because the mean of its divisors is an integer number (370108062).

Almost surely, 2^740216123 is an apocalyptic number.

740216123 is a deficient number, since it is larger than the sum of its proper divisors (1).

740216123 is an equidigital number, since it uses as much as digits as its factorization.

740216123 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 740216123 is about 27206.9131472132. The cubic root of 740216123 is about 904.5922170055.

The spelling of 740216123 in words is "seven hundred forty million, two hundred sixteen thousand, one hundred twenty-three".