11723460149 has 2 divisors, whose sum is σ = 11723460150. Its totient is φ = 11723460148.

The previous prime is 11723460137. The next prime is 11723460169. The reversal of 11723460149 is 94106432711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10939068100 + 784392049 = 104590^2 + 28007^2 .

It is a cyclic number.

It is not a de Polignac number, because 11723460149 - 2³² = 7428492853 is a prime.

It is a super-2 number, since 2×11723460149² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11723460169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861730074 + 5861730075.

It is an arithmetic number, because the mean of its divisors is an integer number (5861730075).

Almost surely, 2^11723460149 is an apocalyptic number.

It is an amenable number.

11723460149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723460149 is an equidigital number, since it uses as much as digits as its factorization.

11723460149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 11723460149 in words is "eleven billion, seven hundred twenty-three million, four hundred sixty thousand, one hundred forty-nine".