451620315644123 has 2 divisors, whose sum is σ = 451620315644124. Its totient is φ = 451620315644122.

The previous prime is 451620315644119. The next prime is 451620315644167. The reversal of 451620315644123 is 321446513026154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451620315644123 - 2² = 451620315644119 is a prime.

It is not a weakly prime, because it can be changed into another prime (451620315644623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225810157822061 + 225810157822062.

It is an arithmetic number, because the mean of its divisors is an integer number (225810157822062).

Almost surely, 2^{451620315644123} is an apocalyptic number.

451620315644123 is a deficient number, since it is larger than the sum of its proper divisors (1).

451620315644123 is an equidigital number, since it uses as much as digits as its factorization.

451620315644123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 451620315644123 in words is "four hundred fifty-one trillion, six hundred twenty billion, three hundred fifteen million, six hundred forty-four thousand, one hundred twenty-three".