231200301001123 has 2 divisors, whose sum is σ = 231200301001124. Its totient is φ = 231200301001122.

The previous prime is 231200301001057. The next prime is 231200301001169. The reversal of 231200301001123 is 321100103002132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231200301001123 - 2²¹ = 231200298903971 is a prime.

It is a super-2 number, since 2×231200301001123² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231200301001123.

It is not a weakly prime, because it can be changed into another prime (231200301101123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115600150500561 + 115600150500562.

It is an arithmetic number, because the mean of its divisors is an integer number (115600150500562).

Almost surely, 2^{231200301001123} is an apocalyptic number.

231200301001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231200301001123 is an equidigital number, since it uses as much as digits as its factorization.

231200301001123 is an evil number, because the sum of its binary digits is even.

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

Adding to 231200301001123 its reverse (321100103002132), we get a palindrome (552300404003255).

The spelling of 231200301001123 in words is "two hundred thirty-one trillion, two hundred billion, three hundred one million, one thousand, one hundred twenty-three".