11723235556149 has 128 divisors (see below), whose sum is σ = 19105222492160. Its totient is φ = 7061441587200.

The previous prime is 11723235556141. The next prime is 11723235556159. The reversal of 11723235556149 is 94165553232711.

11723235556149 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 3 + 2 + 35 + 5 + 561 + 49 = 666.

It is not a de Polignac number, because 11723235556149 - 2³ = 11723235556141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11723235556095 and 11723235556104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723235556141) 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 in 127 ways as a sum of consecutive naturals, for example, 1431229644 + ... + 1431237834.

It is an arithmetic number, because the mean of its divisors is an integer number (149259550720).

Almost surely, 2^{11723235556149} is an apocalyptic number.

It is an amenable number.

11723235556149 is a deficient number, since it is larger than the sum of its proper divisors (7381986936011).

11723235556149 is a wasteful number, since it uses less digits than its factorization.

11723235556149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768 (or 8762 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 11723235556149 in words is "eleven trillion, seven hundred twenty-three billion, two hundred thirty-five million, five hundred fifty-six thousand, one hundred forty-nine".