117321263 has 2 divisors, whose sum is σ = 117321264. Its totient is φ = 117321262.

The previous prime is 117321251. The next prime is 117321287. The reversal of 117321263 is 362123711.

It is a weak prime.

It is an emirp because it is prime and its reverse (362123711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117321263 - 2¹⁶ = 117255727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117321163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58660631 + 58660632.

It is an arithmetic number, because the mean of its divisors is an integer number (58660632).

Almost surely, 2^117321263 is an apocalyptic number.

117321263 is a deficient number, since it is larger than the sum of its proper divisors (1).

117321263 is an equidigital number, since it uses as much as digits as its factorization.

117321263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 117321263 is about 10831.4940336040. The cubic root of 117321263 is about 489.5445761495.

Adding to 117321263 its reverse (362123711), we get a palindrome (479444974).

The spelling of 117321263 in words is "one hundred seventeen million, three hundred twenty-one thousand, two hundred sixty-three".