451112400245123 has 4 divisors (see below), whose sum is σ = 465664413156288. Its totient is φ = 436560387333960.

The previous prime is 451112400245041. The next prime is 451112400245131. The reversal of 451112400245123 is 321542004211154.

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

It is a cyclic number.

It is not a de Polignac number, because 451112400245123 - 2²⁶ = 451112333136259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451112400245623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7276006455536 + ... + 7276006455597.

It is an arithmetic number, because the mean of its divisors is an integer number (116416103289072).

Almost surely, 2^{451112400245123} is an apocalyptic number.

451112400245123 is a deficient number, since it is larger than the sum of its proper divisors (14552012911165).

451112400245123 is a wasteful number, since it uses less digits than its factorization.

451112400245123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14552012911164.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 451112400245123 its reverse (321542004211154), we get a palindrome (772654404456277).

The spelling of 451112400245123 in words is "four hundred fifty-one trillion, one hundred twelve billion, four hundred million, two hundred forty-five thousand, one hundred twenty-three".