231231010000123 has 8 divisors (see below), whose sum is σ = 264266400579840. Its totient is φ = 198196216708200.

The previous prime is 231231010000087. The next prime is 231231010000127. The reversal of 231231010000123 is 321000010132132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231231010000123 - 2³³ = 231222420065531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231231010000123.

It is not an unprimeable number, because it can be changed into a prime (231231010000127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148492063 + ... + 150041176.

It is an arithmetic number, because the mean of its divisors is an integer number (33033300072480).

Almost surely, 2^{231231010000123} is an apocalyptic number.

231231010000123 is a deficient number, since it is larger than the sum of its proper divisors (33035390579717).

231231010000123 is a wasteful number, since it uses less digits than its factorization.

231231010000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298643897.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231231010000123 its reverse (321000010132132), we get a palindrome (552231020132255).

The spelling of 231231010000123 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, ten million, one hundred twenty-three", and thus it is an aban number.