451130123 has 2 divisors, whose sum is σ = 451130124. Its totient is φ = 451130122.

The previous prime is 451130101. The next prime is 451130171. The reversal of 451130123 is 321031154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451130123 - 2⁶ = 451130059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451130095 and 451130104.

It is not a weakly prime, because it can be changed into another prime (451130023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225565061 + 225565062.

It is an arithmetic number, because the mean of its divisors is an integer number (225565062).

Almost surely, 2^451130123 is an apocalyptic number.

451130123 is a deficient number, since it is larger than the sum of its proper divisors (1).

451130123 is an equidigital number, since it uses as much as digits as its factorization.

451130123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 451130123 is about 21239.8239870296. The cubic root of 451130123 is about 766.9503953206.

Adding to 451130123 its reverse (321031154), we get a palindrome (772161277).

The spelling of 451130123 in words is "four hundred fifty-one million, one hundred thirty thousand, one hundred twenty-three".