712323109 has 2 divisors, whose sum is σ = 712323110. Its totient is φ = 712323108.

The previous prime is 712323067. The next prime is 712323113. The reversal of 712323109 is 901323217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695798884 + 16524225 = 26378^2 + 4065^2 .

It is a cyclic number.

It is not a de Polignac number, because 712323109 - 2¹³ = 712314917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712323119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356161554 + 356161555.

It is an arithmetic number, because the mean of its divisors is an integer number (356161555).

Almost surely, 2^712323109 is an apocalyptic number.

It is an amenable number.

712323109 is a deficient number, since it is larger than the sum of its proper divisors (1).

712323109 is an equidigital number, since it uses as much as digits as its factorization.

712323109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 712323109 is about 26689.3819523795. The cubic root of 712323109 is about 893.0840735325.

The spelling of 712323109 in words is "seven hundred twelve million, three hundred twenty-three thousand, one hundred nine".