123502450466 has 4 divisors (see below), whose sum is σ = 185253675702. Its totient is φ = 61751225232.

The previous prime is 123502450349. The next prime is 123502450469. The reversal of 123502450466 is 664054205321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112650853225 + 10851597241 = 335635^2 + 104171^2 .

It is a super-2 number, since 2×123502450466² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123502450469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30875612615 + ... + 30875612618.

Almost surely, 2^123502450466 is an apocalyptic number.

123502450466 is a deficient number, since it is larger than the sum of its proper divisors (61751225236).

123502450466 is an equidigital number, since it uses as much as digits as its factorization.

123502450466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61751225235.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 123502450466 its reverse (664054205321), we get a palindrome (787556655787).

The spelling of 123502450466 in words is "one hundred twenty-three billion, five hundred two million, four hundred fifty thousand, four hundred sixty-six".