723511691039 has 2 divisors, whose sum is σ = 723511691040. Its totient is φ = 723511691038.

The previous prime is 723511691033. The next prime is 723511691041. The reversal of 723511691039 is 930196115327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 723511691039 - 2²⁸ = 723243255583 is a prime.

It is a super-2 number, since 2×723511691039² (a number of 25 digits) contains 22 as substring.

Together with 723511691041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 723511690984 and 723511691002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723511691033) 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 as a sum of consecutive naturals, namely, 361755845519 + 361755845520.

It is an arithmetic number, because the mean of its divisors is an integer number (361755845520).

Almost surely, 2^723511691039 is an apocalyptic number.

723511691039 is a deficient number, since it is larger than the sum of its proper divisors (1).

723511691039 is an equidigital number, since it uses as much as digits as its factorization.

723511691039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 47.

The spelling of 723511691039 in words is "seven hundred twenty-three billion, five hundred eleven million, six hundred ninety-one thousand, thirty-nine".