231211011300123 has 8 divisors (see below), whose sum is σ = 313335140997136. Its totient is φ = 151613777901600.

The previous prime is 231211011300121. The next prime is 231211011300167. The reversal of 231211011300123 is 321003110112132.

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

It is not a de Polignac number, because 231211011300123 - 2¹ = 231211011300121 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 231211011300123.

It is not an unprimeable number, because it can be changed into a prime (231211011300121) 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, 631724074408 + ... + 631724074773.

It is an arithmetic number, because the mean of its divisors is an integer number (39166892624642).

Almost surely, 2^{231211011300123} is an apocalyptic number.

231211011300123 is a deficient number, since it is larger than the sum of its proper divisors (82124129697013).

231211011300123 is a wasteful number, since it uses less digits than its factorization.

231211011300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263448149245.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 231211011300123 its reverse (321003110112132), we get a palindrome (552214121412255).

The spelling of 231211011300123 in words is "two hundred thirty-one trillion, two hundred eleven billion, eleven million, three hundred thousand, one hundred twenty-three".