453418805123 has 4 divisors (see below), whose sum is σ = 480090499560. Its totient is φ = 426747110688.

The previous prime is 453418805113. The next prime is 453418805149. The reversal of 453418805123 is 321508814354.

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 453418805123 - 2¹⁰ = 453418804099 is a prime.

It is a super-2 number, since 2×453418805123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453418805113) 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, 13335847193 + ... + 13335847226.

It is an arithmetic number, because the mean of its divisors is an integer number (120022624890).

Almost surely, 2^453418805123 is an apocalyptic number.

453418805123 is a deficient number, since it is larger than the sum of its proper divisors (26671694437).

453418805123 is a wasteful number, since it uses less digits than its factorization.

453418805123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26671694436.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 453418805123 in words is "four hundred fifty-three billion, four hundred eighteen million, eight hundred five thousand, one hundred twenty-three".