712533823 has 4 divisors (see below), whose sum is σ = 713081968. Its totient is φ = 711985680.

The previous prime is 712533821. The next prime is 712533841. The reversal of 712533823 is 328335217.

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 712533823 - 2¹ = 712533821 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 (712533821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272118 + ... + 274723.

It is an arithmetic number, because the mean of its divisors is an integer number (178270492).

Almost surely, 2^712533823 is an apocalyptic number.

712533823 is a deficient number, since it is larger than the sum of its proper divisors (548145).

712533823 is a wasteful number, since it uses less digits than its factorization.

712533823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548144.

The product of its digits is 30240, while the sum is 34.

The square root of 712533823 is about 26693.3291853976. The cubic root of 712533823 is about 893.1721266282.

It can be divided in two parts, 71253 and 3823, that added together give a square (75076 = 274²).

The spelling of 712533823 in words is "seven hundred twelve million, five hundred thirty-three thousand, eight hundred twenty-three".