231222012221223 has 6 divisors (see below), whose sum is σ = 333987350986224. Its totient is φ = 154148008147476.

The previous prime is 231222012221183. The next prime is 231222012221227. The reversal of 231222012221223 is 322122210222132.

231222012221223 is a `hidden beast` number, since 2 + 3 + 12 + 2 + 201 + 2 + 221 + 223 = 666.

It is not a de Polignac number, because 231222012221223 - 2¹⁷ = 231222012090151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231222012221227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12845667345615 + ... + 12845667345632.

It is an arithmetic number, because the mean of its divisors is an integer number (55664558497704).

Almost surely, 2^{231222012221223} is an apocalyptic number.

231222012221223 is a deficient number, since it is larger than the sum of its proper divisors (102765338765001).

231222012221223 is a wasteful number, since it uses less digits than its factorization.

231222012221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25691334691253 (or 25691334691250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 231222012221223 its reverse (322122210222132), we get a palindrome (553344222443355).

The spelling of 231222012221223 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, twelve million, two hundred twenty-one thousand, two hundred twenty-three".