123013031233 has 2 divisors, whose sum is σ = 123013031234. Its totient is φ = 123013031232.

The previous prime is 123013031201. The next prime is 123013031287. The reversal of 123013031233 is 332130310321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83686968369 + 39326062864 = 289287^2 + 198308^2 .

It is an emirp because it is prime and its reverse (332130310321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123013031233 - 2⁵ = 123013031201 is a prime.

It is not a weakly prime, because it can be changed into another prime (123013631233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506515616 + 61506515617.

It is an arithmetic number, because the mean of its divisors is an integer number (61506515617).

Almost surely, 2^123013031233 is an apocalyptic number.

It is an amenable number.

123013031233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013031233 is an equidigital number, since it uses as much as digits as its factorization.

123013031233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123013031233 its reverse (332130310321), we get a palindrome (455143341554).

The spelling of 123013031233 in words is "one hundred twenty-three billion, thirteen million, thirty-one thousand, two hundred thirty-three".