23143086 has 48 divisors (see below), whose sum is σ = 54132624. Its totient is φ = 7118592.

The previous prime is 23143079. The next prime is 23143091. The reversal of 23143086 is 68034132.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 15505 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (1127763).

Almost surely, 2^23143086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23143086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27066312).

23143086 is an abundant number, since it is smaller than the sum of its proper divisors (30989538).

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

23143086 is a wasteful number, since it uses less digits than its factorization.

23143086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23143086 is about 4810.7261406154. The cubic root of 23143086 is about 284.9752148345.

The spelling of 23143086 in words is "twenty-three million, one hundred forty-three thousand, eighty-six".