423844607 has 2 divisors, whose sum is σ = 423844608. Its totient is φ = 423844606.

The previous prime is 423844573. The next prime is 423844627. The reversal of 423844607 is 706448324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423844607 - 2¹² = 423840511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423844627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211922303 + 211922304.

It is an arithmetic number, because the mean of its divisors is an integer number (211922304).

Almost surely, 2^423844607 is an apocalyptic number.

423844607 is a deficient number, since it is larger than the sum of its proper divisors (1).

423844607 is an equidigital number, since it uses as much as digits as its factorization.

423844607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 423844607 is about 20587.4866605907. The cubic root of 423844607 is about 751.1653628200.

The spelling of 423844607 in words is "four hundred twenty-three million, eight hundred forty-four thousand, six hundred seven".