2040452123 has 4 divisors (see below), whose sum is σ = 2147844360. Its totient is φ = 1933059888.

The previous prime is 2040452119. The next prime is 2040452129. The reversal of 2040452123 is 3212540402.

It is a happy number.

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 2040452123 - 2² = 2040452119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040452129) 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, 53696090 + ... + 53696127.

It is an arithmetic number, because the mean of its divisors is an integer number (536961090).

Almost surely, 2^2040452123 is an apocalyptic number.

2040452123 is a deficient number, since it is larger than the sum of its proper divisors (107392237).

2040452123 is a wasteful number, since it uses less digits than its factorization.

2040452123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107392236.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2040452123 is about 45171.3639709938. The cubic root of 2040452123 is about 1268.3588289012.

Adding to 2040452123 its reverse (3212540402), we get a palindrome (5252992525).

It can be divided in two parts, 20404 and 52123, that added together give a palindrome (72527).

The spelling of 2040452123 in words is "two billion, forty million, four hundred fifty-two thousand, one hundred twenty-three".