2603604423 has 16 divisors (see below), whose sum is σ = 3968994816. Its totient is φ = 1487174880.

The previous prime is 2603604401. The next prime is 2603604431. The reversal of 2603604423 is 3244063062.

It is a happy number.

It is not a de Polignac number, because 2603604423 - 2⁵ = 2603604391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2603604023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31390 + ... + 78692.

It is an arithmetic number, because the mean of its divisors is an integer number (248062176).

Almost surely, 2^2603604423 is an apocalyptic number.

2603604423 is a deficient number, since it is larger than the sum of its proper divisors (1365390393).

2603604423 is a wasteful number, since it uses less digits than its factorization.

2603604423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49934.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 2603604423 is about 51025.5271702312. The cubic root of 2603604423 is about 1375.7040005698.

Adding to 2603604423 its reverse (3244063062), we get a palindrome (5847667485).

The spelling of 2603604423 in words is "two billion, six hundred three million, six hundred four thousand, four hundred twenty-three".