23749238 has 8 divisors (see below), whose sum is σ = 37719432. Its totient is φ = 11176096.

The previous prime is 23749223. The next prime is 23749249. The reversal of 23749238 is 83294732.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349220 + ... + 349287.

It is an arithmetic number, because the mean of its divisors is an integer number (4714929).

Almost surely, 2^23749238 is an apocalyptic number.

23749238 is a deficient number, since it is larger than the sum of its proper divisors (13970194).

23749238 is a wasteful number, since it uses less digits than its factorization.

23749238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698526.

The product of its digits is 72576, while the sum is 38.

The square root of 23749238 is about 4873.3189922270. The cubic root of 23749238 is about 287.4417797673.

The spelling of 23749238 in words is "twenty-three million, seven hundred forty-nine thousand, two hundred thirty-eight".