302023223421 has 16 divisors (see below), whose sum is σ = 403080499200. Its totient is φ = 201157468848.

The previous prime is 302023223389. The next prime is 302023223441. The reversal of 302023223421 is 124322320203.

It is not a de Polignac number, because 302023223421 - 2⁵ = 302023223389 is a prime.

It is a super-2 number, since 2×302023223421² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302023223391 and 302023223400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302023223441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18499300 + ... + 18515618.

It is an arithmetic number, because the mean of its divisors is an integer number (25192531200).

Almost surely, 2^302023223421 is an apocalyptic number.

It is an amenable number.

302023223421 is a deficient number, since it is larger than the sum of its proper divisors (101057275779).

302023223421 is a wasteful number, since it uses less digits than its factorization.

302023223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21808.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 302023223421 its reverse (124322320203), we get a palindrome (426345543624).

The spelling of 302023223421 in words is "three hundred two billion, twenty-three million, two hundred twenty-three thousand, four hundred twenty-one".