123422504 has 16 divisors (see below), whose sum is σ = 231563220. Its totient is φ = 61672320.

The previous prime is 123422503. The next prime is 123422539. The reversal of 123422504 is 405224321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123254404 + 168100 = 11102^2 + 410^2 .

It is a super-2 number, since 2×123422504² = 30466228987260032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123422504.

It is not an unprimeable number, because it can be changed into a prime (123422503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12074 + ... + 19814.

Almost surely, 2^123422504 is an apocalyptic number.

It is an amenable number.

123422504 is a deficient number, since it is larger than the sum of its proper divisors (108140716).

123422504 is a wasteful number, since it uses less digits than its factorization.

123422504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9740 (or 9736 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 123422504 is about 11109.5681284198. The cubic root of 123422504 is about 497.8877614619.

Adding to 123422504 its reverse (405224321), we get a palindrome (528646825).

The spelling of 123422504 in words is "one hundred twenty-three million, four hundred twenty-two thousand, five hundred four".