223011110101231 has 4 divisors (see below), whose sum is σ = 223142835507592. Its totient is φ = 222879384694872.

The previous prime is 223011110101159. The next prime is 223011110101249. The reversal of 223011110101231 is 132101011110322.

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

It is a cyclic number.

It is not a de Polignac number, because 223011110101231 - 2¹⁵ = 223011110068463 is a prime.

It is a super-2 number, since 2×223011110101231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223011110101199 and 223011110101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223011110101631) 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, 65862700641 + ... + 65862704026.

It is an arithmetic number, because the mean of its divisors is an integer number (55785708876898).

Almost surely, 2^{223011110101231} is an apocalyptic number.

223011110101231 is a deficient number, since it is larger than the sum of its proper divisors (131725406361).

223011110101231 is a wasteful number, since it uses less digits than its factorization.

223011110101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131725406360.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 223011110101231 its reverse (132101011110322), we get a palindrome (355112121211553).

The spelling of 223011110101231 in words is "two hundred twenty-three trillion, eleven billion, one hundred ten million, one hundred one thousand, two hundred thirty-one".