231223123132 has 6 divisors (see below), whose sum is σ = 404640465488. Its totient is φ = 115611561564.

The previous prime is 231223123123. The next prime is 231223123169. The reversal of 231223123132 is 231321322132.

It is a junction number, because it is equal to n+sod(n) for n = 231223123097 and 231223123106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28902890388 + ... + 28902890395.

Almost surely, 2^231223123132 is an apocalyptic number.

It is an amenable number.

231223123132 is a deficient number, since it is larger than the sum of its proper divisors (173417342356).

231223123132 is a wasteful number, since it uses less digits than its factorization.

231223123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57805780787 (or 57805780785 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 231223123132 its reverse (231321322132), we get a palindrome (462544445264).

The spelling of 231223123132 in words is "two hundred thirty-one billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-two".