2151301257323 has 2 divisors, whose sum is σ = 2151301257324. Its totient is φ = 2151301257322.

The previous prime is 2151301257317. The next prime is 2151301257337. The reversal of 2151301257323 is 3237521031512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151301257323 - 2³² = 2147006290027 is a prime.

It is a super-2 number, since 2×2151301257323² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2151301257383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075650628661 + 1075650628662.

It is an arithmetic number, because the mean of its divisors is an integer number (1075650628662).

Almost surely, 2^{2151301257323} is an apocalyptic number.

2151301257323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151301257323 is an equidigital number, since it uses as much as digits as its factorization.

2151301257323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

Adding to 2151301257323 its reverse (3237521031512), we get a palindrome (5388822288835).

The spelling of 2151301257323 in words is "two trillion, one hundred fifty-one billion, three hundred one million, two hundred fifty-seven thousand, three hundred twenty-three".