23203430 has 16 divisors (see below), whose sum is σ = 42655680. Its totient is φ = 9083712.

The previous prime is 23203429. The next prime is 23203447. The reversal of 23203430 is 3430232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23203399 and 23203408.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24215 + ... + 25154.

It is an arithmetic number, because the mean of its divisors is an integer number (2665980).

Almost surely, 2^23203430 is an apocalyptic number.

23203430 is a deficient number, since it is larger than the sum of its proper divisors (19452250).

23203430 is a wasteful number, since it uses less digits than its factorization.

23203430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49423.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23203430 is about 4816.9938758524. The cubic root of 23203430 is about 285.2226842761. Note that the first 3 decimals are identical.

Adding to 23203430 its reverse (3430232), we get a palindrome (26633662).

The spelling of 23203430 in words is "twenty-three million, two hundred three thousand, four hundred thirty".