302420423 has 4 divisors (see below), whose sum is σ = 304003968. Its totient is φ = 300836880.

The previous prime is 302420389. The next prime is 302420449. The reversal of 302420423 is 324024203.

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 302420423 - 2¹⁰ = 302419399 is a prime.

It is a super-2 number, since 2×302420423² = 182916224494997858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302420395 and 302420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302470423) 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, 791486 + ... + 791867.

It is an arithmetic number, because the mean of its divisors is an integer number (76000992).

Almost surely, 2^302420423 is an apocalyptic number.

302420423 is a deficient number, since it is larger than the sum of its proper divisors (1583545).

302420423 is a wasteful number, since it uses less digits than its factorization.

302420423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583544.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 302420423 is about 17390.2393025513. The cubic root of 302420423 is about 671.2284753480.

Adding to 302420423 its reverse (324024203), we get a palindrome (626444626).

The spelling of 302420423 in words is "three hundred two million, four hundred twenty thousand, four hundred twenty-three".