422123453252 has 6 divisors (see below), whose sum is σ = 738716043198. Its totient is φ = 211061726624.

The previous prime is 422123453233. The next prime is 422123453267. The reversal of 422123453252 is 252354321224.

It can be written as a sum of positive squares in only one way, i.e., 385919258176 + 36204195076 = 621224^2 + 190274^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52765431653 + ... + 52765431660.

It is an arithmetic number, because the mean of its divisors is an integer number (123119340533).

Almost surely, 2^422123453252 is an apocalyptic number.

It is an amenable number.

422123453252 is a deficient number, since it is larger than the sum of its proper divisors (316592589946).

422123453252 is a wasteful number, since it uses less digits than its factorization.

422123453252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105530863317 (or 105530863315 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 422123453252 its reverse (252354321224), we get a palindrome (674477774476).

The spelling of 422123453252 in words is "four hundred twenty-two billion, one hundred twenty-three million, four hundred fifty-three thousand, two hundred fifty-two".