123932289799 has 2 divisors, whose sum is σ = 123932289800. Its totient is φ = 123932289798.

The previous prime is 123932289749. The next prime is 123932289809. The reversal of 123932289799 is 997982239321.

It is a strong prime.

It is an emirp because it is prime and its reverse (997982239321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123932289799 - 2¹⁹ = 123931765511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123932289799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123932289749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61966144899 + 61966144900.

It is an arithmetic number, because the mean of its divisors is an integer number (61966144900).

Almost surely, 2^123932289799 is an apocalyptic number.

123932289799 is a deficient number, since it is larger than the sum of its proper divisors (1).

123932289799 is an equidigital number, since it uses as much as digits as its factorization.

123932289799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 64.

The spelling of 123932289799 in words is "one hundred twenty-three billion, nine hundred thirty-two million, two hundred eighty-nine thousand, seven hundred ninety-nine".