23400433 has 8 divisors (see below), whose sum is σ = 26778752. Its totient is φ = 20030976.

The previous prime is 23400427. The next prime is 23400451. The reversal of 23400433 is 33400432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23400433 - 2⁹ = 23399921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23400433.

It is not an unprimeable number, because it can be changed into a prime (23400413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5041 + ... + 8497.

It is an arithmetic number, because the mean of its divisors is an integer number (3347344).

Almost surely, 2^23400433 is an apocalyptic number.

It is an amenable number.

23400433 is a deficient number, since it is larger than the sum of its proper divisors (3378319).

23400433 is an equidigital number, since it uses as much as digits as its factorization.

23400433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 23400433 is about 4837.3994046388. The cubic root of 23400433 is about 286.0276148210.

Adding to 23400433 its reverse (33400432), we get a palindrome (56800865).

Subtracting 23400433 from its reverse (33400432), we obtain a palindrome (9999999).

The spelling of 23400433 in words is "twenty-three million, four hundred thousand, four hundred thirty-three".