423220402202 has 16 divisors (see below), whose sum is σ = 691345345320. Its totient is φ = 193137745152.

The previous prime is 423220402181. The next prime is 423220402211. The reversal of 423220402202 is 202204022324.

It can be written as a sum of positive squares in 4 ways, for example, as 80270789041 + 342949613161 = 283321^2 + 585619^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91445483 + ... + 91450110.

Almost surely, 2^423220402202 is an apocalyptic number.

423220402202 is a deficient number, since it is larger than the sum of its proper divisors (268124943118).

423220402202 is a wasteful number, since it uses less digits than its factorization.

423220402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182895697.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 423220402202 its reverse (202204022324), we get a palindrome (625424424526).

The spelling of 423220402202 in words is "four hundred twenty-three billion, two hundred twenty million, four hundred two thousand, two hundred two".