415043623 has 2 divisors, whose sum is σ = 415043624. Its totient is φ = 415043622.

The previous prime is 415043609. The next prime is 415043639. The reversal of 415043623 is 326340514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 415043623 - 2⁵ = 415043591 is a prime.

It is a super-2 number, since 2×415043623² = 344522417985932258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 415043591 and 415043600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415043653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207521811 + 207521812.

It is an arithmetic number, because the mean of its divisors is an integer number (207521812).

Almost surely, 2^415043623 is an apocalyptic number.

415043623 is a deficient number, since it is larger than the sum of its proper divisors (1).

415043623 is an equidigital number, since it uses as much as digits as its factorization.

415043623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 415043623 is about 20372.6194437534. The cubic root of 415043623 is about 745.9297270569.

The spelling of 415043623 in words is "four hundred fifteen million, forty-three thousand, six hundred twenty-three".