451253005023 has 4 divisors (see below), whose sum is σ = 601670673368. Its totient is φ = 300835336680.

The previous prime is 451253005009. The next prime is 451253005103. The reversal of 451253005023 is 320500352154.

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

It is not a de Polignac number, because 451253005023 - 2⁵ = 451253004991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451253003023) 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, 75208834168 + ... + 75208834173.

It is an arithmetic number, because the mean of its divisors is an integer number (150417668342).

Almost surely, 2^451253005023 is an apocalyptic number.

451253005023 is a deficient number, since it is larger than the sum of its proper divisors (150417668345).

451253005023 is a wasteful number, since it uses less digits than its factorization.

451253005023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150417668344.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 451253005023 its reverse (320500352154), we get a palindrome (771753357177).

The spelling of 451253005023 in words is "four hundred fifty-one billion, two hundred fifty-three million, five thousand, twenty-three".