423594971 has 4 divisors (see below), whose sum is σ = 429917352. Its totient is φ = 417272592.

The previous prime is 423594929. The next prime is 423595013. The reversal of 423594971 is 179495324.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (423594929) and next prime (423595013).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423594971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423594071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161090 + ... + 3161223.

It is an arithmetic number, because the mean of its divisors is an integer number (107479338).

Almost surely, 2^423594971 is an apocalyptic number.

423594971 is a deficient number, since it is larger than the sum of its proper divisors (6322381).

423594971 is an equidigital number, since it uses as much as digits as its factorization.

423594971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322380.

The product of its digits is 272160, while the sum is 44.

The square root of 423594971 is about 20581.4229585809. The cubic root of 423594971 is about 751.0178600637.

The spelling of 423594971 in words is "four hundred twenty-three million, five hundred ninety-four thousand, nine hundred seventy-one".