420312002303 has 4 divisors (see below), whose sum is σ = 420448514640. Its totient is φ = 420175489968.

The previous prime is 420312002281. The next prime is 420312002311. The reversal of 420312002303 is 303200213024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420312002303 - 2⁶ = 420312002239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420312002323) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 68251550 + ... + 68257707.

It is an arithmetic number, because the mean of its divisors is an integer number (105112128660).

Almost surely, 2^420312002303 is an apocalyptic number.

420312002303 is a deficient number, since it is larger than the sum of its proper divisors (136512337).

420312002303 is a wasteful number, since it uses less digits than its factorization.

420312002303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136512336.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 420312002303 its reverse (303200213024), we get a palindrome (723512215327).

The spelling of 420312002303 in words is "four hundred twenty billion, three hundred twelve million, two thousand, three hundred three".