23427433 has 4 divisors (see below), whose sum is σ = 23443668. Its totient is φ = 23411200.

The previous prime is 23427427. The next prime is 23427449. The reversal of 23427433 is 33472432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11812969 + 11614464 = 3437^2 + 3408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23427433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23427403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716 + ... + 8917.

It is an arithmetic number, because the mean of its divisors is an integer number (5860917).

Almost surely, 2^23427433 is an apocalyptic number.

It is an amenable number.

23427433 is a deficient number, since it is larger than the sum of its proper divisors (16235).

23427433 is a wasteful number, since it uses less digits than its factorization.

23427433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16234.

The product of its digits is 12096, while the sum is 28.

The square root of 23427433 is about 4840.1893558000. The cubic root of 23427433 is about 286.1375811233.

Adding to 23427433 its reverse (33472432), we get a palindrome (56899865).

The spelling of 23427433 in words is "twenty-three million, four hundred twenty-seven thousand, four hundred thirty-three".