220431134023 has 8 divisors (see below), whose sum is σ = 228181196880. Its totient is φ = 212691003840.

The previous prime is 220431134017. The next prime is 220431134039. The reversal of 220431134023 is 320431134022.

220431134023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220431134023 - 2³³ = 211841199431 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 (220431134003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437990 + ... + 2526787.

It is an arithmetic number, because the mean of its divisors is an integer number (28522649610).

Almost surely, 2^220431134023 is an apocalyptic number.

220431134023 is a deficient number, since it is larger than the sum of its proper divisors (7750062857).

220431134023 is a wasteful number, since it uses less digits than its factorization.

220431134023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966337.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 220431134023 its reverse (320431134022), we get a palindrome (540862268045).

Subtracting 220431134023 from its reverse (320431134022), we obtain a palindrome (99999999999).

The spelling of 220431134023 in words is "two hundred twenty billion, four hundred thirty-one million, one hundred thirty-four thousand, twenty-three".