20223223223131 has 16 divisors (see below), whose sum is σ = 21136950489600. Its totient is φ = 19329775966368.

The previous prime is 20223223223083. The next prime is 20223223223197. The reversal of 20223223223131 is 13132232232202.

It is a cyclic number.

It is not a de Polignac number, because 20223223223131 - 2¹¹ = 20223223221083 is a prime.

It is a super-2 number, since 2×20223223223131² (a number of 27 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 20223223223131.

It is not an unprimeable number, because it can be changed into a prime (20223223223431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12962305 + ... + 14438413.

It is an arithmetic number, because the mean of its divisors is an integer number (1321059405600).

Almost surely, 2^{20223223223131} is an apocalyptic number.

20223223223131 is a deficient number, since it is larger than the sum of its proper divisors (913727266469).

20223223223131 is a wasteful number, since it uses less digits than its factorization.

20223223223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482978.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20223223223131 its reverse (13132232232202), we get a palindrome (33355455455333).

The spelling of 20223223223131 in words is "twenty trillion, two hundred twenty-three billion, two hundred twenty-three million, two hundred twenty-three thousand, one hundred thirty-one".