1523311325233 has 2 divisors, whose sum is σ = 1523311325234. Its totient is φ = 1523311325232.

The previous prime is 1523311325189. The next prime is 1523311325269. The reversal of 1523311325233 is 3325231133251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1371669619489 + 151641705744 = 1171183^2 + 389412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1523311325233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1523311325033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761655662616 + 761655662617.

It is an arithmetic number, because the mean of its divisors is an integer number (761655662617).

Almost surely, 2^{1523311325233} is an apocalyptic number.

It is an amenable number.

1523311325233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523311325233 is an equidigital number, since it uses as much as digits as its factorization.

1523311325233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

Adding to 1523311325233 its reverse (3325231133251), we get a palindrome (4848542458484).

The spelling of 1523311325233 in words is "one trillion, five hundred twenty-three billion, three hundred eleven million, three hundred twenty-five thousand, two hundred thirty-three".