451603102323 has 4 divisors (see below), whose sum is σ = 602137469768. Its totient is φ = 301068734880.

The previous prime is 451603102319. The next prime is 451603102331. The reversal of 451603102323 is 323201306154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 451603102323 - 2² = 451603102319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451603102343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75267183718 + ... + 75267183723.

It is an arithmetic number, because the mean of its divisors is an integer number (150534367442).

Almost surely, 2^451603102323 is an apocalyptic number.

451603102323 is a deficient number, since it is larger than the sum of its proper divisors (150534367445).

451603102323 is a wasteful number, since it uses less digits than its factorization.

451603102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150534367444.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 451603102323 its reverse (323201306154), we get a palindrome (774804408477).

The spelling of 451603102323 in words is "four hundred fifty-one billion, six hundred three million, one hundred two thousand, three hundred twenty-three".