231022000123 has 4 divisors (see below), whose sum is σ = 244611529560. Its totient is φ = 217432470688.

The previous prime is 231022000061. The next prime is 231022000163. The reversal of 231022000123 is 321000220132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231022000123 - 2¹³ = 231021991931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231022000097 and 231022000106.

It is not an unprimeable number, because it can be changed into a prime (231022000163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6794764693 + ... + 6794764726.

It is an arithmetic number, because the mean of its divisors is an integer number (61152882390).

Almost surely, 2^231022000123 is an apocalyptic number.

231022000123 is a deficient number, since it is larger than the sum of its proper divisors (13589529437).

231022000123 is a wasteful number, since it uses less digits than its factorization.

231022000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13589529436.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 231022000123 its reverse (321000220132), we get a palindrome (552022220255).

The spelling of 231022000123 in words is "two hundred thirty-one billion, twenty-two million, one hundred twenty-three", and thus it is an aban number.