123354247311 has 6 divisors (see below), whose sum is σ = 178178357240. Its totient is φ = 82236164868.

The previous prime is 123354247307. The next prime is 123354247343. The reversal of 123354247311 is 113742453321.

123354247311 is a `hidden beast` number, since 1 + 2 + 33 + 542 + 4 + 73 + 11 = 666.

It is not a de Polignac number, because 123354247311 - 2² = 123354247307 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 (123354247391) 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, 6853013731 + ... + 6853013748.

Almost surely, 2^123354247311 is an apocalyptic number.

123354247311 is a deficient number, since it is larger than the sum of its proper divisors (54824109929).

123354247311 is a wasteful number, since it uses less digits than its factorization.

123354247311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706027485 (or 13706027482 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The spelling of 123354247311 in words is "one hundred twenty-three billion, three hundred fifty-four million, two hundred forty-seven thousand, three hundred eleven".