434630723 has 2 divisors, whose sum is σ = 434630724. Its totient is φ = 434630722.

The previous prime is 434630711. The next prime is 434630737. The reversal of 434630723 is 327036434.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434630723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434630723.

It is not a weakly prime, because it can be changed into another prime (434630753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217315361 + 217315362.

It is an arithmetic number, because the mean of its divisors is an integer number (217315362).

Almost surely, 2^434630723 is an apocalyptic number.

434630723 is a deficient number, since it is larger than the sum of its proper divisors (1).

434630723 is an equidigital number, since it uses as much as digits as its factorization.

434630723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 434630723 is about 20847.7989965368. The cubic root of 434630723 is about 757.4840178600.

The spelling of 434630723 in words is "four hundred thirty-four million, six hundred thirty thousand, seven hundred twenty-three".