420602315323 has 4 divisors (see below), whose sum is σ = 423281311120. Its totient is φ = 417923319528.

The previous prime is 420602315317. The next prime is 420602315363. The reversal of 420602315323 is 323513206024.

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 420602315323 - 2¹³ = 420602307131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420602315363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339497663 + ... + 1339497976.

It is an arithmetic number, because the mean of its divisors is an integer number (105820327780).

Almost surely, 2^420602315323 is an apocalyptic number.

420602315323 is a deficient number, since it is larger than the sum of its proper divisors (2678995797).

420602315323 is a wasteful number, since it uses less digits than its factorization.

420602315323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678995796.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 420602315323 in words is "four hundred twenty billion, six hundred two million, three hundred fifteen thousand, three hundred twenty-three".