23430425 has 12 divisors (see below), whose sum is σ = 29270076. Its totient is φ = 18604800.

The previous prime is 23430409. The next prime is 23430431. The reversal of 23430425 is 52403432.

It can be written as a sum of positive squares in 6 ways, for example, as 33856 + 23396569 = 184^2 + 4837^2 .

It is not a de Polignac number, because 23430425 - 2⁴ = 23430409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23430425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5 + ... + 6845.

It is an arithmetic number, because the mean of its divisors is an integer number (2439173).

Almost surely, 2^23430425 is an apocalyptic number.

23430425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23430425 is a deficient number, since it is larger than the sum of its proper divisors (5839651).

23430425 is a wasteful number, since it uses less digits than its factorization.

23430425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988 (or 6983 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 23430425 is about 4840.4984247493. The cubic root of 23430425 is about 286.1497618176.

Adding to 23430425 its reverse (52403432), we get a palindrome (75833857).

The spelling of 23430425 in words is "twenty-three million, four hundred thirty thousand, four hundred twenty-five".