23031430 has 16 divisors (see below), whose sum is σ = 43895520. Its totient is φ = 8670592.

The previous prime is 23031409. The next prime is 23031461. The reversal of 23031430 is 3413032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67570 + ... + 67909.

It is an arithmetic number, because the mean of its divisors is an integer number (2743470).

Almost surely, 2^23031430 is an apocalyptic number.

23031430 is a deficient number, since it is larger than the sum of its proper divisors (20864090).

23031430 is a wasteful number, since it uses less digits than its factorization.

23031430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135503.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23031430 is about 4799.1072086379. The cubic root of 23031430 is about 284.5161792251.

Adding to 23031430 its reverse (3413032), we get a palindrome (26444462).

The spelling of 23031430 in words is "twenty-three million, thirty-one thousand, four hundred thirty".