2503423 has 4 divisors (see below), whose sum is σ = 2696008. Its totient is φ = 2310840.

The previous prime is 2503409. The next prime is 2503427. The reversal of 2503423 is 3243052.

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 2503423 - 2²¹ = 406271 is a prime.

It is a d-powerful number, because it can be written as 2³ + 5⁹ + 0 + 3⁸ + 4⁶ + 2¹³ + 3¹² .

It is a Duffinian number.

2503423 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2503423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503427) 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, 96273 + ... + 96298.

It is an arithmetic number, because the mean of its divisors is an integer number (674002).

2^2503423 is an apocalyptic number.

2503423 is a deficient number, since it is larger than the sum of its proper divisors (192585).

2503423 is a wasteful number, since it uses less digits than its factorization.

2503423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192584.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2503423 is about 1582.2209074589. The cubic root of 2503423 is about 135.7827955905.

Adding to 2503423 its reverse (3243052), we get a palindrome (5746475).

It can be divided in two parts, 2503 and 423, that added together give a triangular number (2926 = T₇₆).

The spelling of 2503423 in words is "two million, five hundred three thousand, four hundred twenty-three".