123145677466 has 16 divisors (see below), whose sum is σ = 211153048704. Its totient is φ = 52765175664.

The previous prime is 123145677449. The next prime is 123145677467. The reversal of 123145677466 is 664776541321.

It is not an unprimeable number, because it can be changed into a prime (123145677467) 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, 895485 + ... + 1023808.

It is an arithmetic number, because the mean of its divisors is an integer number (13197065544).

Almost surely, 2^123145677466 is an apocalyptic number.

123145677466 is a deficient number, since it is larger than the sum of its proper divisors (88007371238).

123145677466 is a wasteful number, since it uses less digits than its factorization.

123145677466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923885.

The product of its digits is 5080320, while the sum is 52.

The spelling of 123145677466 in words is "one hundred twenty-three billion, one hundred forty-five million, six hundred seventy-seven thousand, four hundred sixty-six".