223201312231 has 2 divisors, whose sum is σ = 223201312232. Its totient is φ = 223201312230.

The previous prime is 223201312181. The next prime is 223201312307. The reversal of 223201312231 is 132213102322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223201312231 - 2²¹ = 223199215079 is a prime.

It is a super-3 number, since 3×223201312231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223201312331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111600656115 + 111600656116.

It is an arithmetic number, because the mean of its divisors is an integer number (111600656116).

Almost surely, 2^223201312231 is an apocalyptic number.

223201312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223201312231 is an equidigital number, since it uses as much as digits as its factorization.

223201312231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223201312231 its reverse (132213102322), we get a palindrome (355414414553).

The spelling of 223201312231 in words is "two hundred twenty-three billion, two hundred one million, three hundred twelve thousand, two hundred thirty-one".