302421440142023 has 4 divisors (see below), whose sum is σ = 302654610104880. Its totient is φ = 302188270179168.

The previous prime is 302421440142013. The next prime is 302421440142049. The reversal of 302421440142023 is 320241044124203.

It is a happy number.

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 302421440142023 - 2⁶ = 302421440141959 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 (302421440142013) 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, 116584979483 + ... + 116584982076.

It is an arithmetic number, because the mean of its divisors is an integer number (75663652526220).

Almost surely, 2^{302421440142023} is an apocalyptic number.

302421440142023 is a deficient number, since it is larger than the sum of its proper divisors (233169962857).

302421440142023 is a wasteful number, since it uses less digits than its factorization.

302421440142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233169962856.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 302421440142023 its reverse (320241044124203), we get a palindrome (622662484266226).

The spelling of 302421440142023 in words is "three hundred two trillion, four hundred twenty-one billion, four hundred forty million, one hundred forty-two thousand, twenty-three".