111613000123 has 2 divisors, whose sum is σ = 111613000124. Its totient is φ = 111613000122.

The previous prime is 111613000099. The next prime is 111613000141. The reversal of 111613000123 is 321000316111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111613000123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111613000123.

It is not a weakly prime, because it can be changed into another prime (111613090123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55806500061 + 55806500062.

It is an arithmetic number, because the mean of its divisors is an integer number (55806500062).

Almost surely, 2^111613000123 is an apocalyptic number.

111613000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111613000123 is an equidigital number, since it uses as much as digits as its factorization.

111613000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111613000123 its reverse (321000316111), we get a palindrome (432613316234).

The spelling of 111613000123 in words is "one hundred eleven billion, six hundred thirteen million, one hundred twenty-three", and thus it is an aban number.