23828437 has 8 divisors (see below), whose sum is σ = 24929856. Its totient is φ = 22732512.

The previous prime is 23828411. The next prime is 23828443. The reversal of 23828437 is 73482832.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23828437 - 2⁷ = 23828309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23828396 and 23828405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23828447) 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, 9378 + ... + 11644.

It is an arithmetic number, because the mean of its divisors is an integer number (3116232).

Almost surely, 2^23828437 is an apocalyptic number.

It is an amenable number.

23828437 is a deficient number, since it is larger than the sum of its proper divisors (1101419).

23828437 is a wasteful number, since it uses less digits than its factorization.

23828437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its digits is 64512, while the sum is 37.

The square root of 23828437 is about 4881.4380053423. The cubic root of 23828437 is about 287.7609456930.

The spelling of 23828437 in words is "twenty-three million, eight hundred twenty-eight thousand, four hundred thirty-seven".