20223223431 has 8 divisors (see below), whose sum is σ = 26967005184. Its totient is φ = 13480795320.

The previous prime is 20223223429. The next prime is 20223223453. The reversal of 20223223431 is 13432232202.

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

It is not a de Polignac number, because 20223223431 - 2¹ = 20223223429 is a prime.

It is a super-2 number, since 2×20223223431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223223411) 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, 303021 + ... + 363686.

It is an arithmetic number, because the mean of its divisors is an integer number (3370875648).

Almost surely, 2^20223223431 is an apocalyptic number.

20223223431 is a deficient number, since it is larger than the sum of its proper divisors (6743781753).

20223223431 is a wasteful number, since it uses less digits than its factorization.

20223223431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676821.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20223223431 its reverse (13432232202), we get a palindrome (33655455633).

The spelling of 20223223431 in words is "twenty billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred thirty-one".