23158416 has 80 divisors (see below), whose sum is σ = 64083200. Its totient is φ = 7185024.

The previous prime is 23158409. The next prime is 23158453. The reversal of 23158416 is 61485132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60915 + ... + 61293.

It is an arithmetic number, because the mean of its divisors is an integer number (801040).

Almost surely, 2^23158416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23158416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32041600).

23158416 is an abundant number, since it is smaller than the sum of its proper divisors (40924784).

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

23158416 is a wasteful number, since it uses less digits than its factorization.

23158416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 23158416 is about 4812.3191914086. The cubic root of 23158416 is about 285.0381235551.

It can be divided in two parts, 2315 and 8416, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 23158416 in words is "twenty-three million, one hundred fifty-eight thousand, four hundred sixteen".