42233412421 has 8 divisors (see below), whose sum is σ = 43262319744. Its totient is φ = 41209935360.

The previous prime is 42233412373. The next prime is 42233412427. The reversal of 42233412421 is 12421433224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42233412421 - 2²⁷ = 42099194693 is a prime.

It is a super-2 number, since 2×42233412421² (a number of 22 digits) contains 22 as substring.

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 42233412421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42233412427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341820 + ... + 1372933.

It is an arithmetic number, because the mean of its divisors is an integer number (5407789968).

Almost surely, 2^42233412421 is an apocalyptic number.

It is an amenable number.

42233412421 is a deficient number, since it is larger than the sum of its proper divisors (1028907323).

42233412421 is a wasteful number, since it uses less digits than its factorization.

42233412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715131.

The product of its digits is 9216, while the sum is 28.

Adding to 42233412421 its reverse (12421433224), we get a palindrome (54654845645).

The spelling of 42233412421 in words is "forty-two billion, two hundred thirty-three million, four hundred twelve thousand, four hundred twenty-one".