6723234157 has 2 divisors, whose sum is σ = 6723234158. Its totient is φ = 6723234156.

The previous prime is 6723234127. The next prime is 6723234163. The reversal of 6723234157 is 7514323276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3967614121 + 2755620036 = 62989^2 + 52494^2 .

It is a cyclic number.

It is not a de Polignac number, because 6723234157 - 2¹⁹ = 6722709869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6723234107) 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 as a sum of consecutive naturals, namely, 3361617078 + 3361617079.

It is an arithmetic number, because the mean of its divisors is an integer number (3361617079).

Almost surely, 2^6723234157 is an apocalyptic number.

It is an amenable number.

6723234157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723234157 is an equidigital number, since it uses as much as digits as its factorization.

6723234157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 6723234157 is about 81995.3300926339. The cubic root of 6723234157 is about 1887.3802769668.

The spelling of 6723234157 in words is "six billion, seven hundred twenty-three million, two hundred thirty-four thousand, one hundred fifty-seven".