25430323 has 4 divisors (see below), whose sum is σ = 26250688. Its totient is φ = 24609960.

The previous prime is 25430309. The next prime is 25430347. The reversal of 25430323 is 32303452.

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-25430323 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25430294 and 25430303.

It is not an unprimeable number, because it can be changed into a prime (25430023) 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, 410136 + ... + 410197.

It is an arithmetic number, because the mean of its divisors is an integer number (6562672).

Almost surely, 2^25430323 is an apocalyptic number.

25430323 is a deficient number, since it is larger than the sum of its proper divisors (820365).

25430323 is an equidigital number, since it uses as much as digits as its factorization.

25430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820364.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 25430323 is about 5042.8486989003. The cubic root of 25430323 is about 294.0699349264.

Adding to 25430323 its reverse (32303452), we get a palindrome (57733775).

The spelling of 25430323 in words is "twenty-five million, four hundred thirty thousand, three hundred twenty-three".