23789378 has 4 divisors (see below), whose sum is σ = 35684070. Its totient is φ = 11894688.

The previous prime is 23789371. The next prime is 23789399. The reversal of 23789378 is 87398732.

It is a happy number.

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., 21187609 + 2601769 = 4603^2 + 1613^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23789371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5947343 + ... + 5947346.

Almost surely, 2^23789378 is an apocalyptic number.

23789378 is a deficient number, since it is larger than the sum of its proper divisors (11894692).

23789378 is a wasteful number, since it uses less digits than its factorization.

23789378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11894691.

The product of its digits is 508032, while the sum is 47.

The square root of 23789378 is about 4877.4355967045. The cubic root of 23789378 is about 287.6036294350.

The spelling of 23789378 in words is "twenty-three million, seven hundred eighty-nine thousand, three hundred seventy-eight".