403220023243 has 4 divisors (see below), whose sum is σ = 403227013048. Its totient is φ = 403213033440.

The previous prime is 403220023237. The next prime is 403220023273. The reversal of 403220023243 is 342320022304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403220023243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403220023223) 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, 3407646 + ... + 3523987.

It is an arithmetic number, because the mean of its divisors is an integer number (100806753262).

Almost surely, 2^403220023243 is an apocalyptic number.

403220023243 is a deficient number, since it is larger than the sum of its proper divisors (6989805).

403220023243 is an equidigital number, since it uses as much as digits as its factorization.

403220023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989804.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 403220023243 its reverse (342320022304), we get a palindrome (745540045547).

The spelling of 403220023243 in words is "four hundred three billion, two hundred twenty million, twenty-three thousand, two hundred forty-three".