231120010121123 has 2 divisors, whose sum is σ = 231120010121124. Its totient is φ = 231120010121122.

The previous prime is 231120010121113. The next prime is 231120010121233. The reversal of 231120010121123 is 321121010021132.

231120010121123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231120010121123 - 2⁶ = 231120010121059 is a prime.

It is a super-2 number, since 2×231120010121123² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231120010121095 and 231120010121104.

It is not a weakly prime, because it can be changed into another prime (231120010121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115560005060561 + 115560005060562.

It is an arithmetic number, because the mean of its divisors is an integer number (115560005060562).

Almost surely, 2^{231120010121123} is an apocalyptic number.

231120010121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231120010121123 is an equidigital number, since it uses as much as digits as its factorization.

231120010121123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 231120010121123 its reverse (321121010021132), we get a palindrome (552241020142255).

Subtracting 231120010121123 from its reverse (321121010021132), we obtain a palindrome (90000999900009).

The spelling of 231120010121123 in words is "two hundred thirty-one trillion, one hundred twenty billion, ten million, one hundred twenty-one thousand, one hundred twenty-three".