434972723 has 2 divisors, whose sum is σ = 434972724. Its totient is φ = 434972722.

The previous prime is 434972669. The next prime is 434972729. The reversal of 434972723 is 327279434.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434972723 is a prime.

It is not a weakly prime, because it can be changed into another prime (434972729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217486361 + 217486362.

It is an arithmetic number, because the mean of its divisors is an integer number (217486362).

Almost surely, 2^434972723 is an apocalyptic number.

434972723 is a deficient number, since it is larger than the sum of its proper divisors (1).

434972723 is an equidigital number, since it uses as much as digits as its factorization.

434972723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 434972723 is about 20855.9996883391. Note that the first 3 decimals coincide. The cubic root of 434972723 is about 757.6826474866.

The spelling of 434972723 in words is "four hundred thirty-four million, nine hundred seventy-two thousand, seven hundred twenty-three".