423706697 has 2 divisors, whose sum is σ = 423706698. Its totient is φ = 423706696.

The previous prime is 423706663. The next prime is 423706757. The reversal of 423706697 is 796607324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298736656 + 124970041 = 17284^2 + 11179^2 .

It is a cyclic number.

It is not a de Polignac number, because 423706697 - 2¹⁶ = 423641161 is a prime.

It is not a weakly prime, because it can be changed into another prime (423706607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211853348 + 211853349.

It is an arithmetic number, because the mean of its divisors is an integer number (211853349).

Almost surely, 2^423706697 is an apocalyptic number.

It is an amenable number.

423706697 is a deficient number, since it is larger than the sum of its proper divisors (1).

423706697 is an equidigital number, since it uses as much as digits as its factorization.

423706697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 423706697 is about 20584.1370234460. The cubic root of 423706697 is about 751.0838829166.

The spelling of 423706697 in words is "four hundred twenty-three million, seven hundred six thousand, six hundred ninety-seven".