406965623 has 2 divisors, whose sum is σ = 406965624. Its totient is φ = 406965622.

The previous prime is 406965593. The next prime is 406965653. The reversal of 406965623 is 326569604.

It is a balanced prime because it is at equal distance from previous prime (406965593) and next prime (406965653).

It is a cyclic number.

It is not a de Polignac number, because 406965623 - 2⁸ = 406965367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406965653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203482811 + 203482812.

It is an arithmetic number, because the mean of its divisors is an integer number (203482812).

Almost surely, 2^406965623 is an apocalyptic number.

406965623 is a deficient number, since it is larger than the sum of its proper divisors (1).

406965623 is an equidigital number, since it uses as much as digits as its factorization.

406965623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 406965623 is about 20173.3889815271. The cubic root of 406965623 is about 741.0586400159.

The spelling of 406965623 in words is "four hundred six million, nine hundred sixty-five thousand, six hundred twenty-three".