25123123226233 has 2 divisors, whose sum is σ = 25123123226234. Its totient is φ = 25123123226232.

The previous prime is 25123123226231. The next prime is 25123123226237. The reversal of 25123123226233 is 33262232132152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17877912019984 + 7245211206249 = 4228228^2 + 2691693^2 .

It is a cyclic number.

It is not a de Polignac number, because 25123123226233 - 2¹ = 25123123226231 is a prime.

Together with 25123123226231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25123123226192 and 25123123226201.

It is not a weakly prime, because it can be changed into another prime (25123123226231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561561613116 + 12561561613117.

It is an arithmetic number, because the mean of its divisors is an integer number (12561561613117).

Almost surely, 2^{25123123226233} is an apocalyptic number.

It is an amenable number.

25123123226233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25123123226233 is an equidigital number, since it uses as much as digits as its factorization.

25123123226233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

Adding to 25123123226233 its reverse (33262232132152), we get a palindrome (58385355358385).

The spelling of 25123123226233 in words is "twenty-five trillion, one hundred twenty-three billion, one hundred twenty-three million, two hundred twenty-six thousand, two hundred thirty-three".