120123303257 has 2 divisors, whose sum is σ = 120123303258. Its totient is φ = 120123303256.

The previous prime is 120123303253. The next prime is 120123303323. The reversal of 120123303257 is 752303321021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75677809216 + 44445494041 = 275096^2 + 210821^2 .

It is a cyclic number.

It is not a de Polignac number, because 120123303257 - 2² = 120123303253 is a prime.

It is not a weakly prime, because it can be changed into another prime (120123303253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061651628 + 60061651629.

It is an arithmetic number, because the mean of its divisors is an integer number (60061651629).

Almost surely, 2^120123303257 is an apocalyptic number.

It is an amenable number.

120123303257 is a deficient number, since it is larger than the sum of its proper divisors (1).

120123303257 is an equidigital number, since it uses as much as digits as its factorization.

120123303257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 120123303257 its reverse (752303321021), we get a palindrome (872426624278).

The spelling of 120123303257 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred three thousand, two hundred fifty-seven".