12435156613323 has 64 divisors (see below), whose sum is σ = 19596133312000. Its totient is φ = 7771166687232.

The previous prime is 12435156613309. The next prime is 12435156613333. The reversal of 12435156613323 is 32331665153421.

12435156613323 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 5 + 1 + 5 + 6 + 613 + 3 + 23 = 666.

It is not a de Polignac number, because 12435156613323 - 2⁹ = 12435156612811 is a prime.

It is a super-2 number, since 2×12435156613323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12435156613333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260076843 + ... + 260124651.

It is an arithmetic number, because the mean of its divisors is an integer number (306189583000).

Almost surely, 2^{12435156613323} is an apocalyptic number.

12435156613323 is a deficient number, since it is larger than the sum of its proper divisors (7160976698677).

12435156613323 is a wasteful number, since it uses less digits than its factorization.

12435156613323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53161 (or 53155 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 12435156613323 in words is "twelve trillion, four hundred thirty-five billion, one hundred fifty-six million, six hundred thirteen thousand, three hundred twenty-three".