451423100122523 has 4 divisors (see below), whose sum is σ = 451452297673728. Its totient is φ = 451393902571320.

The previous prime is 451423100122487. The next prime is 451423100122531. The reversal of 451423100122523 is 325221001324154.

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 451423100122523 - 2⁴⁶ = 381054355944859 is a prime.

It is a super-2 number, since 2×451423100122523² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451423100022523) 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, 14598752411 + ... + 14598783332.

It is an arithmetic number, because the mean of its divisors is an integer number (112863074418432).

Almost surely, 2^{451423100122523} is an apocalyptic number.

451423100122523 is a deficient number, since it is larger than the sum of its proper divisors (29197551205).

451423100122523 is a wasteful number, since it uses less digits than its factorization.

451423100122523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29197551204.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 451423100122523 its reverse (325221001324154), we get a palindrome (776644101446677).

The spelling of 451423100122523 in words is "four hundred fifty-one trillion, four hundred twenty-three billion, one hundred million, one hundred twenty-two thousand, five hundred twenty-three".