23178798 has 48 divisors (see below), whose sum is σ = 53529840. Its totient is φ = 7511616.

The previous prime is 23178791. The next prime is 23178809. The reversal of 23178798 is 89787132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23178791) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 17338 + ... + 18626.

It is an arithmetic number, because the mean of its divisors is an integer number (1115205).

Almost surely, 2^23178798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23178798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26764920).

23178798 is an abundant number, since it is smaller than the sum of its proper divisors (30351042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23178798 is a wasteful number, since it uses less digits than its factorization.

23178798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1331 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 23178798 is about 4814.4364156150. The cubic root of 23178798 is about 285.1217208599.

The spelling of 23178798 in words is "twenty-three million, one hundred seventy-eight thousand, seven hundred ninety-eight".