421303023034 has 4 divisors (see below), whose sum is σ = 631954534554. Its totient is φ = 210651511516.

The previous prime is 421303023013. The next prime is 421303023083. The reversal of 421303023034 is 430320303124.

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., 237171922009 + 184131101025 = 487003^2 + 429105^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105325755757 + ... + 105325755760.

Almost surely, 2^421303023034 is an apocalyptic number.

421303023034 is a deficient number, since it is larger than the sum of its proper divisors (210651511520).

421303023034 is a wasteful number, since it uses less digits than its factorization.

421303023034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210651511519.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 421303023034 its reverse (430320303124), we get a palindrome (851623326158).

The spelling of 421303023034 in words is "four hundred twenty-one billion, three hundred three million, twenty-three thousand, thirty-four".