451146023 has 2 divisors, whose sum is σ = 451146024. Its totient is φ = 451146022.

The previous prime is 451146019. The next prime is 451146029. The reversal of 451146023 is 320641154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451146023 - 2² = 451146019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451145983 and 451146001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451146029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225573011 + 225573012.

It is an arithmetic number, because the mean of its divisors is an integer number (225573012).

Almost surely, 2^451146023 is an apocalyptic number.

451146023 is a deficient number, since it is larger than the sum of its proper divisors (1).

451146023 is an equidigital number, since it uses as much as digits as its factorization.

451146023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 451146023 is about 21240.1982806188. The cubic root of 451146023 is about 766.9594055576.

Adding to 451146023 its reverse (320641154), we get a palindrome (771787177).

The spelling of 451146023 in words is "four hundred fifty-one million, one hundred forty-six thousand, twenty-three".