419688623 has 2 divisors, whose sum is σ = 419688624. Its totient is φ = 419688622.

The previous prime is 419688617. The next prime is 419688629. The reversal of 419688623 is 326886914.

It is a balanced prime because it is at equal distance from previous prime (419688617) and next prime (419688629).

It is a cyclic number.

It is not a de Polignac number, because 419688623 - 2⁶ = 419688559 is a prime.

It is a super-2 number, since 2×419688623² = 352277080551272258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419688629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209844311 + 209844312.

It is an arithmetic number, because the mean of its divisors is an integer number (209844312).

Almost surely, 2^419688623 is an apocalyptic number.

419688623 is a deficient number, since it is larger than the sum of its proper divisors (1).

419688623 is an equidigital number, since it uses as much as digits as its factorization.

419688623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 419688623 is about 20486.3033024506. The cubic root of 419688623 is about 748.7021245063.

The spelling of 419688623 in words is "four hundred nineteen million, six hundred eighty-eight thousand, six hundred twenty-three".