231123121103122 has 4 divisors (see below), whose sum is σ = 346684681654686. Its totient is φ = 115561560551560.

The previous prime is 231123121103117. The next prime is 231123121103143. The reversal of 231123121103122 is 221301121321132.

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

It can be written as a sum of positive squares in only one way, i.e., 141004913953401 + 90118207149721 = 11874549^2 + 9493061^2 .

It is a super-3 number, since 3×231123121103122³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57780780275779 + ... + 57780780275782.

Almost surely, 2^{231123121103122} is an apocalyptic number.

231123121103122 is a deficient number, since it is larger than the sum of its proper divisors (115561560551564).

231123121103122 is a wasteful number, since it uses less digits than its factorization.

231123121103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115561560551563.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 231123121103122 its reverse (221301121321132), we get a palindrome (452424242424254).

The spelling of 231123121103122 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, one hundred twenty-one million, one hundred three thousand, one hundred twenty-two".