25723403 has 8 divisors (see below), whose sum is σ = 26114400. Its totient is φ = 25334848.

The previous prime is 25723381. The next prime is 25723421. The reversal of 25723403 is 30432752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25723403 - 2¹² = 25719307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25723903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34250 + ... + 34992.

It is an arithmetic number, because the mean of its divisors is an integer number (3264300).

Almost surely, 2^25723403 is an apocalyptic number.

25723403 is a deficient number, since it is larger than the sum of its proper divisors (390997).

25723403 is an equidigital number, since it uses as much as digits as its factorization.

25723403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 25723403 is about 5071.8244251945. The cubic root of 25723403 is about 295.1953240581.

The spelling of 25723403 in words is "twenty-five million, seven hundred twenty-three thousand, four hundred three".