23978355 has 8 divisors (see below), whose sum is σ = 38365392. Its totient is φ = 12788448.

The previous prime is 23978329. The next prime is 23978377. The reversal of 23978355 is 55387932.

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

It is not a de Polignac number, because 23978355 - 2¹⁵ = 23945587 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799264 + ... + 799293.

It is an arithmetic number, because the mean of its divisors is an integer number (4795674).

Almost surely, 2^23978355 is an apocalyptic number.

23978355 is a deficient number, since it is larger than the sum of its proper divisors (14387037).

23978355 is a wasteful number, since it uses less digits than its factorization.

23978355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598565.

The product of its digits is 226800, while the sum is 42.

The square root of 23978355 is about 4896.7698536893. The cubic root of 23978355 is about 288.3631727242.

The spelling of 23978355 in words is "twenty-three million, nine hundred seventy-eight thousand, three hundred fifty-five".