711423641 has 4 divisors (see below), whose sum is σ = 712148352. Its totient is φ = 710698932.

The previous prime is 711423637. The next prime is 711423659. The reversal of 711423641 is 146324117.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 711423641 - 2² = 711423637 is a prime.

It is a super-2 number, since 2×711423641² = 1012247193947393762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711423241) 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, 360881 + ... + 362846.

It is an arithmetic number, because the mean of its divisors is an integer number (178037088).

Almost surely, 2^711423641 is an apocalyptic number.

It is an amenable number.

711423641 is a deficient number, since it is larger than the sum of its proper divisors (724711).

711423641 is an equidigital number, since it uses as much as digits as its factorization.

711423641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724710.

The product of its digits is 4032, while the sum is 29.

The square root of 711423641 is about 26672.5259583715. The cubic root of 711423641 is about 892.7080087531.

Adding to 711423641 its reverse (146324117), we get a palindrome (857747758).

The spelling of 711423641 in words is "seven hundred eleven million, four hundred twenty-three thousand, six hundred forty-one".