123816141349 has 6 divisors (see below), whose sum is σ = 125848707506. Its totient is φ = 121783665360.

The previous prime is 123816141313. The next prime is 123816141377. The reversal of 123816141349 is 943141618321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9668788900 + 114147352449 = 98330^2 + 337857^2 .

It is not a de Polignac number, because 123816141349 - 2¹¹ = 123816139301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123816141049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2725707 + ... + 2770759.

Almost surely, 2^123816141349 is an apocalyptic number.

It is an amenable number.

123816141349 is a deficient number, since it is larger than the sum of its proper divisors (2032566157).

123816141349 is an frugal number, since it uses more digits than its factorization.

123816141349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90167 (or 45114 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The spelling of 123816141349 in words is "one hundred twenty-three billion, eight hundred sixteen million, one hundred forty-one thousand, three hundred forty-nine".