231211112303223 has 96 divisors (see below), whose sum is σ = 374512611432960. Its totient is φ = 141700208976000.

The previous prime is 231211112303209. The next prime is 231211112303261. The reversal of 231211112303223 is 322303211112132.

231211112303223 is a `hidden beast` number, since 2 + 3 + 1 + 21 + 1 + 112 + 303 + 223 = 666.

It is not a de Polignac number, because 231211112303223 - 2⁴¹ = 229012089047671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231211112307223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12221096958 + ... + 12221115876.

It is an arithmetic number, because the mean of its divisors is an integer number (3901173035760).

Almost surely, 2^{231211112303223} is an apocalyptic number.

231211112303223 is a deficient number, since it is larger than the sum of its proper divisors (143301499129737).

231211112303223 is a wasteful number, since it uses less digits than its factorization.

231211112303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34611 (or 34599 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 231211112303223 its reverse (322303211112132), we get a palindrome (553514323415355).

The spelling of 231211112303223 in words is "two hundred thirty-one trillion, two hundred eleven billion, one hundred twelve million, three hundred three thousand, two hundred twenty-three".