4351145453123 has 4 divisors (see below), whose sum is σ = 4972737660720. Its totient is φ = 3729553245528.

The previous prime is 4351145453111. The next prime is 4351145453131. The reversal of 4351145453123 is 3213545411534.

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 4351145453123 - 2⁶ = 4351145453059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4351145453153) 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, 310796103788 + ... + 310796103801.

It is an arithmetic number, because the mean of its divisors is an integer number (1243184415180).

Almost surely, 2^{4351145453123} is an apocalyptic number.

4351145453123 is a deficient number, since it is larger than the sum of its proper divisors (621592207597).

4351145453123 is an equidigital number, since it uses as much as digits as its factorization.

4351145453123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621592207596.

The product of its digits is 432000, while the sum is 41.

The spelling of 4351145453123 in words is "four trillion, three hundred fifty-one billion, one hundred forty-five million, four hundred fifty-three thousand, one hundred twenty-three".