245120321323 has 2 divisors, whose sum is σ = 245120321324. Its totient is φ = 245120321322.

The previous prime is 245120321287. The next prime is 245120321351. The reversal of 245120321323 is 323123021542.

It is a happy number.

245120321323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (245120321351) can be obtained adding 245120321323 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245120321323 - 2²⁵ = 245086766891 is a prime.

It is a super-4 number, since 4×245120321323⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245120321291 and 245120321300.

It is not a weakly prime, because it can be changed into another prime (245120321623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122560160661 + 122560160662.

It is an arithmetic number, because the mean of its divisors is an integer number (122560160662).

Almost surely, 2^245120321323 is an apocalyptic number.

245120321323 is a deficient number, since it is larger than the sum of its proper divisors (1).

245120321323 is an equidigital number, since it uses as much as digits as its factorization.

245120321323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 245120321323 its reverse (323123021542), we get a palindrome (568243342865).

The spelling of 245120321323 in words is "two hundred forty-five billion, one hundred twenty million, three hundred twenty-one thousand, three hundred twenty-three".