23133430 has 32 divisors (see below), whose sum is σ = 45178560. Its totient is φ = 8494080.

The previous prime is 23133427. The next prime is 23133437. The reversal of 23133430 is 3433132.

It is a junction number, because it is equal to n+sod(n) for n = 23133398 and 23133407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311 + ... + 8629.

It is an arithmetic number, because the mean of its divisors is an integer number (1411830).

Almost surely, 2^23133430 is an apocalyptic number.

23133430 is a deficient number, since it is larger than the sum of its proper divisors (22045130).

23133430 is a wasteful number, since it uses less digits than its factorization.

23133430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 23133430 is about 4809.7224452145. The cubic root of 23133430 is about 284.9355758761.

Adding to 23133430 its reverse (3433132), we get a palindrome (26566562).

The spelling of 23133430 in words is "twenty-three million, one hundred thirty-three thousand, four hundred thirty".