123523361156 has 48 divisors (see below), whose sum is σ = 246530847024. Its totient is φ = 53647835136.

The previous prime is 123523361153. The next prime is 123523361189. The reversal of 123523361156 is 651163325321.

It can be written as a sum of positive squares in 8 ways, for example, as 33723649600 + 89799711556 = 183640^2 + 299666^2 .

It is not an unprimeable number, because it can be changed into a prime (123523361153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8101316 + ... + 8116548.

It is an arithmetic number, because the mean of its divisors is an integer number (5136059313).

Almost surely, 2^123523361156 is an apocalyptic number.

It is an amenable number.

123523361156 is a deficient number, since it is larger than the sum of its proper divisors (123007485868).

123523361156 is a wasteful number, since it uses less digits than its factorization.

123523361156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24440 (or 24438 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

Adding to 123523361156 its reverse (651163325321), we get a palindrome (774686686477).

The spelling of 123523361156 in words is "one hundred twenty-three billion, five hundred twenty-three million, three hundred sixty-one thousand, one hundred fifty-six".