231210332123 has 4 divisors (see below), whose sum is σ = 231211524120. Its totient is φ = 231209140128.

The previous prime is 231210332099. The next prime is 231210332137. The reversal of 231210332123 is 321233012132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231210332123 - 2¹⁶ = 231210266587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231210332153) 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, 230213 + ... + 717926.

It is an arithmetic number, because the mean of its divisors is an integer number (57802881030).

Almost surely, 2^231210332123 is an apocalyptic number.

231210332123 is a deficient number, since it is larger than the sum of its proper divisors (1191997).

231210332123 is an equidigital number, since it uses as much as digits as its factorization.

231210332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191996.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231210332123 its reverse (321233012132), we get a palindrome (552443344255).

The spelling of 231210332123 in words is "two hundred thirty-one billion, two hundred ten million, three hundred thirty-two thousand, one hundred twenty-three".