2453438123 has 4 divisors (see below), whose sum is σ = 2495021880. Its totient is φ = 2411854368.

The previous prime is 2453438111. The next prime is 2453438149. The reversal of 2453438123 is 3218343542.

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 2453438123 - 2⁴ = 2453438107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2453438153) 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, 20791790 + ... + 20791907.

It is an arithmetic number, because the mean of its divisors is an integer number (623755470).

Almost surely, 2^2453438123 is an apocalyptic number.

2453438123 is a deficient number, since it is larger than the sum of its proper divisors (41583757).

2453438123 is an equidigital number, since it uses as much as digits as its factorization.

2453438123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41583756.

The product of its digits is 69120, while the sum is 35.

The square root of 2453438123 is about 49532.1927941818. The cubic root of 2453438123 is about 1348.7300582354.

The spelling of 2453438123 in words is "two billion, four hundred fifty-three million, four hundred thirty-eight thousand, one hundred twenty-three".