2123254603 has 4 divisors (see below), whose sum is σ = 2123379328. Its totient is φ = 2123129880.

The previous prime is 2123254561. The next prime is 2123254621. The reversal of 2123254603 is 3064523212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123254603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123254303) 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, 31851 + ... + 72532.

It is an arithmetic number, because the mean of its divisors is an integer number (530844832).

Almost surely, 2^2123254603 is an apocalyptic number.

2123254603 is a deficient number, since it is larger than the sum of its proper divisors (124725).

2123254603 is a wasteful number, since it uses less digits than its factorization.

2123254603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124724.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2123254603 is about 46078.7869089454. The cubic root of 2123254603 is about 1285.2887061943.

Adding to 2123254603 its reverse (3064523212), we get a palindrome (5187777815).

The spelling of 2123254603 in words is "two billion, one hundred twenty-three million, two hundred fifty-four thousand, six hundred three".