23969878 has 4 divisors (see below), whose sum is σ = 35954820. Its totient is φ = 11984938.

The previous prime is 23969873. The next prime is 23969879. The reversal of 23969878 is 87896932.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23969873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5992468 + ... + 5992471.

It is an arithmetic number, because the mean of its divisors is an integer number (8988705).

Almost surely, 2^23969878 is an apocalyptic number.

23969878 is a deficient number, since it is larger than the sum of its proper divisors (11984942).

23969878 is a wasteful number, since it uses less digits than its factorization.

23969878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984941.

The product of its digits is 1306368, while the sum is 52.

The square root of 23969878 is about 4895.9042065792. The cubic root of 23969878 is about 288.3291873135.

The spelling of 23969878 in words is "twenty-three million, nine hundred sixty-nine thousand, eight hundred seventy-eight".