123461247719 has 2 divisors, whose sum is σ = 123461247720. Its totient is φ = 123461247718.

The previous prime is 123461247713. The next prime is 123461247761. The reversal of 123461247719 is 917742164321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123461247719 - 2⁴ = 123461247703 is a prime.

It is a super-2 number, since 2×123461247719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123461247713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61730623859 + 61730623860.

It is an arithmetic number, because the mean of its divisors is an integer number (61730623860).

Almost surely, 2^123461247719 is an apocalyptic number.

123461247719 is a deficient number, since it is larger than the sum of its proper divisors (1).

123461247719 is an equidigital number, since it uses as much as digits as its factorization.

123461247719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The spelling of 123461247719 in words is "one hundred twenty-three billion, four hundred sixty-one million, two hundred forty-seven thousand, seven hundred nineteen".