2123454110003 has 24 divisors (see below), whose sum is σ = 2205112179600. Its totient is φ = 2043541664640.

The previous prime is 2123454109999. The next prime is 2123454110009. The reversal of 2123454110003 is 3000114543212.

It is a happy number.

It is not a de Polignac number, because 2123454110003 - 2² = 2123454109999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123454110009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153543893 + ... + 153557721.

It is an arithmetic number, because the mean of its divisors is an integer number (91879674150).

Almost surely, 2^{2123454110003} is an apocalyptic number.

2123454110003 is a deficient number, since it is larger than the sum of its proper divisors (81658069597).

2123454110003 is a wasteful number, since it uses less digits than its factorization.

2123454110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343 (or 14162 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 2123454110003 its reverse (3000114543212), we get a palindrome (5123568653215).

The spelling of 2123454110003 in words is "two trillion, one hundred twenty-three billion, four hundred fifty-four million, one hundred ten thousand, three".