42303232242021 has 4 divisors (see below), whose sum is σ = 56404309656032. Its totient is φ = 28202154828012.

The previous prime is 42303232241947. The next prime is 42303232242041. The reversal of 42303232242021 is 12024223230324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42303232242021 - 2¹⁴ = 42303232225637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42303232242021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303232242041) 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, 7050538707001 + ... + 7050538707006.

It is an arithmetic number, because the mean of its divisors is an integer number (14101077414008).

Almost surely, 2^{42303232242021} is an apocalyptic number.

It is an amenable number.

42303232242021 is a deficient number, since it is larger than the sum of its proper divisors (14101077414011).

42303232242021 is a wasteful number, since it uses less digits than its factorization.

42303232242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101077414010.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 42303232242021 its reverse (12024223230324), we get a palindrome (54327455472345).

The spelling of 42303232242021 in words is "forty-two trillion, three hundred three billion, two hundred thirty-two million, two hundred forty-two thousand, twenty-one".