712217423 has 4 divisors (see below), whose sum is σ = 712826808. Its totient is φ = 711608040.

The previous prime is 712217411. The next prime is 712217453. The reversal of 712217423 is 324712217.

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

It is a cyclic number.

It is not a de Polignac number, because 712217423 - 2⁸ = 712217167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712217453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302936 + ... + 305277.

It is an arithmetic number, because the mean of its divisors is an integer number (178206702).

Almost surely, 2^712217423 is an apocalyptic number.

712217423 is a deficient number, since it is larger than the sum of its proper divisors (609385).

712217423 is a wasteful number, since it uses less digits than its factorization.

712217423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609384.

The product of its digits is 4704, while the sum is 29.

The square root of 712217423 is about 26687.4019529815. The cubic root of 712217423 is about 893.0399029632.

The spelling of 712217423 in words is "seven hundred twelve million, two hundred seventeen thousand, four hundred twenty-three".