23828158 has 4 divisors (see below), whose sum is σ = 35742240. Its totient is φ = 11914078.

The previous prime is 23828141. The next prime is 23828159. The reversal of 23828158 is 85182832.

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

It is a super-2 number, since 2×23828158² = 1135562227345928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23828159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5957038 + ... + 5957041.

It is an arithmetic number, because the mean of its divisors is an integer number (8935560).

Almost surely, 2^23828158 is an apocalyptic number.

23828158 is a deficient number, since it is larger than the sum of its proper divisors (11914082).

23828158 is a wasteful number, since it uses less digits than its factorization.

23828158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914081.

The product of its digits is 30720, while the sum is 37.

The square root of 23828158 is about 4881.4094276141. The cubic root of 23828158 is about 287.7598225865.

The spelling of 23828158 in words is "twenty-three million, eight hundred twenty-eight thousand, one hundred fifty-eight".