134245453525023 has 4 divisors (see below), whose sum is σ = 178993938033368. Its totient is φ = 89496969016680.

The previous prime is 134245453525009. The next prime is 134245453525039. The reversal of 134245453525023 is 320525354542431.

It is a happy number.

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

It is not a de Polignac number, because 134245453525023 - 2¹⁰ = 134245453523999 is a prime.

It is a super-2 number, since 2×134245453525023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134245453525523) 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, 22374242254168 + ... + 22374242254173.

It is an arithmetic number, because the mean of its divisors is an integer number (44748484508342).

Almost surely, 2^{134245453525023} is an apocalyptic number.

134245453525023 is a deficient number, since it is larger than the sum of its proper divisors (44748484508345).

134245453525023 is an equidigital number, since it uses as much as digits as its factorization.

134245453525023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44748484508344.

The product of its (nonzero) digits is 8640000, while the sum is 48.

The spelling of 134245453525023 in words is "one hundred thirty-four trillion, two hundred forty-five billion, four hundred fifty-three million, five hundred twenty-five thousand, twenty-three".