23001433 has 12 divisors (see below), whose sum is σ = 28815780. Its totient is φ = 18198432.

The previous prime is 23001413. The next prime is 23001439. The reversal of 23001433 is 33410032.

It can be written as a sum of positive squares in 2 ways, for example, as 15586704 + 7414729 = 3948^2 + 2723^2 .

It is not a de Polignac number, because 23001433 - 2⁵ = 23001401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23001439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17418 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (2401315).

Almost surely, 2^23001433 is an apocalyptic number.

It is an amenable number.

23001433 is a deficient number, since it is larger than the sum of its proper divisors (5814347).

23001433 is a wasteful number, since it uses less digits than its factorization.

23001433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36136 (or 36129 counting only the distinct ones).

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

The square root of 23001433 is about 4795.9809215634. The cubic root of 23001433 is about 284.3926040384.

Adding to 23001433 its reverse (33410032), we get a palindrome (56411465).

The spelling of 23001433 in words is "twenty-three million, one thousand, four hundred thirty-three".