123011233010233 has 2 divisors, whose sum is σ = 123011233010234. Its totient is φ = 123011233010232.

The previous prime is 123011233010231. The next prime is 123011233010273. The reversal of 123011233010233 is 332010332110321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94322322433024 + 28688910577209 = 9711968^2 + 5356203^2 .

It is an emirp because it is prime and its reverse (332010332110321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123011233010233 - 2¹ = 123011233010231 is a prime.

Together with 123011233010231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 123011233010198 and 123011233010207.

It is not a weakly prime, because it can be changed into another prime (123011233010231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505616505116 + 61505616505117.

It is an arithmetic number, because the mean of its divisors is an integer number (61505616505117).

Almost surely, 2^{123011233010233} is an apocalyptic number.

It is an amenable number.

123011233010233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011233010233 is an equidigital number, since it uses as much as digits as its factorization.

123011233010233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123011233010233 its reverse (332010332110321), we get a palindrome (455021565120554).

The spelling of 123011233010233 in words is "one hundred twenty-three trillion, eleven billion, two hundred thirty-three million, ten thousand, two hundred thirty-three".