23749378 has 4 divisors (see below), whose sum is σ = 35624070. Its totient is φ = 11874688.

The previous prime is 23749351. The next prime is 23749387. The reversal of 23749378 is 87394732.

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

It can be written as a sum of positive squares in only one way, i.e., 23746129 + 3249 = 4873^2 + 57^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937343 + ... + 5937346.

Almost surely, 2^23749378 is an apocalyptic number.

23749378 is a deficient number, since it is larger than the sum of its proper divisors (11874692).

23749378 is a wasteful number, since it uses less digits than its factorization.

23749378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874691.

The product of its digits is 254016, while the sum is 43.

The square root of 23749378 is about 4873.3333561332. Note that the first 4 decimals coincide. The cubic root of 23749378 is about 287.4423445822.

The spelling of 23749378 in words is "twenty-three million, seven hundred forty-nine thousand, three hundred seventy-eight".