123513466 has 16 divisors (see below), whose sum is σ = 196428456. Its totient is φ = 58046976.

The previous prime is 123513461. The next prime is 123513487. The reversal of 123513466 is 664315321.

It can be written as a sum of positive squares in 4 ways, for example, as 78234025 + 45279441 = 8845^2 + 6729^2 .

It is not an unprimeable number, because it can be changed into a prime (123513461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29920 + ... + 33796.

Almost surely, 2^123513466 is an apocalyptic number.

123513466 is a deficient number, since it is larger than the sum of its proper divisors (72914990).

123513466 is a wasteful number, since it uses less digits than its factorization.

123513466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its digits is 12960, while the sum is 31.

The square root of 123513466 is about 11113.6612329151. The cubic root of 123513466 is about 498.0100453343.

Adding to 123513466 its reverse (664315321), we get a palindrome (787828787).

The spelling of 123513466 in words is "one hundred twenty-three million, five hundred thirteen thousand, four hundred sixty-six".