423496291 has 2 divisors, whose sum is σ = 423496292. Its totient is φ = 423496290.

The previous prime is 423496259. The next prime is 423496303. The reversal of 423496291 is 192694324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423496291 - 2⁵ = 423496259 is a prime.

It is not a weakly prime, because it can be changed into another prime (423496091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211748145 + 211748146.

It is an arithmetic number, because the mean of its divisors is an integer number (211748146).

Almost surely, 2^423496291 is an apocalyptic number.

423496291 is a deficient number, since it is larger than the sum of its proper divisors (1).

423496291 is an equidigital number, since it uses as much as digits as its factorization.

423496291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 423496291 is about 20579.0255114279. The cubic root of 423496291 is about 750.9595368988.

The spelling of 423496291 in words is "four hundred twenty-three million, four hundred ninety-six thousand, two hundred ninety-one".