423102133420202 has 4 divisors (see below), whose sum is σ = 634653200130306. Its totient is φ = 211551066710100.

The previous prime is 423102133420177. The next prime is 423102133420223. The reversal of 423102133420202 is 202024331201324.

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., 421285107603361 + 1817025816841 = 20525231^2 + 1347971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105775533355049 + ... + 105775533355052.

Almost surely, 2^{423102133420202} is an apocalyptic number.

423102133420202 is a deficient number, since it is larger than the sum of its proper divisors (211551066710104).

423102133420202 is a wasteful number, since it uses less digits than its factorization.

423102133420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211551066710103.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 423102133420202 its reverse (202024331201324), we get a palindrome (625126464621526).

The spelling of 423102133420202 in words is "four hundred twenty-three trillion, one hundred two billion, one hundred thirty-three million, four hundred twenty thousand, two hundred two".