123366261146 has 16 divisors (see below), whose sum is σ = 186426510120. Its totient is φ = 61224218880.

The previous prime is 123366261143. The next prime is 123366261169. The reversal of 123366261146 is 641162663321.

It can be written as a sum of positive squares in 4 ways, for example, as 59528680225 + 63837580921 = 243985^2 + 252661^2 .

It is not an unprimeable number, because it can be changed into a prime (123366261143) 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 in 7 ways as a sum of consecutive naturals, for example, 2188556 + ... + 2244216.

Almost surely, 2^123366261146 is an apocalyptic number.

123366261146 is a deficient number, since it is larger than the sum of its proper divisors (63060248974).

123366261146 is a wasteful number, since it uses less digits than its factorization.

123366261146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63889.

The product of its digits is 186624, while the sum is 41.

The spelling of 123366261146 in words is "one hundred twenty-three billion, three hundred sixty-six million, two hundred sixty-one thousand, one hundred forty-six".