20223186373 has 4 divisors (see below), whose sum is σ = 21778816108. Its totient is φ = 18667556640.

The previous prime is 20223186359. The next prime is 20223186377. The reversal of 20223186373 is 37368132202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37368132202 = 2 ⋅18684066101.

It can be written as a sum of positive squares in 2 ways, for example, as 997422724 + 19225763649 = 31582^2 + 138657^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223186373 - 2²¹ = 20221089221 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 (20223186377) 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, 777814848 + ... + 777814873.

It is an arithmetic number, because the mean of its divisors is an integer number (5444704027).

Almost surely, 2^20223186373 is an apocalyptic number.

It is an amenable number.

20223186373 is a deficient number, since it is larger than the sum of its proper divisors (1555629735).

20223186373 is a wasteful number, since it uses less digits than its factorization.

20223186373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555629734.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20223186373 in words is "twenty billion, two hundred twenty-three million, one hundred eighty-six thousand, three hundred seventy-three".