423504269402 has 4 divisors (see below), whose sum is σ = 635256404106. Its totient is φ = 211752134700.

The previous prime is 423504269389. The next prime is 423504269443. The reversal of 423504269402 is 204962405324.

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., 343104234001 + 80400035401 = 585751^2 + 283549^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423504269402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105876067349 + ... + 105876067352.

Almost surely, 2^423504269402 is an apocalyptic number.

423504269402 is a deficient number, since it is larger than the sum of its proper divisors (211752134704).

423504269402 is a wasteful number, since it uses less digits than its factorization.

423504269402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211752134703.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 423504269402 in words is "four hundred twenty-three billion, five hundred four million, two hundred sixty-nine thousand, four hundred two".