403221242243 has 8 divisors (see below), whose sum is σ = 417507788880. Its totient is φ = 388960186720.

The previous prime is 403221242189. The next prime is 403221242297. The reversal of 403221242243 is 342242122304.

It is an interprime number because it is at equal distance from previous prime (403221242189) and next prime (403221242297).

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 403221242243 - 2¹⁴ = 403221225859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403221212243) 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, 6340580 + ... + 6403857.

It is an arithmetic number, because the mean of its divisors is an integer number (52188473610).

Almost surely, 2^403221242243 is an apocalyptic number.

403221242243 is a deficient number, since it is larger than the sum of its proper divisors (14286546637).

403221242243 is a wasteful number, since it uses less digits than its factorization.

403221242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745557.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 403221242243 its reverse (342242122304), we get a palindrome (745463364547).

The spelling of 403221242243 in words is "four hundred three billion, two hundred twenty-one million, two hundred forty-two thousand, two hundred forty-three".