738405623 has 2 divisors, whose sum is σ = 738405624. Its totient is φ = 738405622.

The previous prime is 738405601. The next prime is 738405631. The reversal of 738405623 is 326504837.

738405623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 738405623 - 2¹² = 738401527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738405323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369202811 + 369202812.

It is an arithmetic number, because the mean of its divisors is an integer number (369202812).

Almost surely, 2^738405623 is an apocalyptic number.

738405623 is a deficient number, since it is larger than the sum of its proper divisors (1).

738405623 is an equidigital number, since it uses as much as digits as its factorization.

738405623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 738405623 is about 27173.6199833589. The cubic root of 738405623 is about 903.8540986603.

The spelling of 738405623 in words is "seven hundred thirty-eight million, four hundred five thousand, six hundred twenty-three".