23146864 has 40 divisors (see below), whose sum is σ = 50847440. Its totient is φ = 10119168.

The previous prime is 23146831. The next prime is 23146927. The reversal of 23146864 is 46864132.

It is a congruent number.

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, 1024 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (1271186).

Almost surely, 2^23146864 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 23146864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25423720).

23146864 is an abundant number, since it is smaller than the sum of its proper divisors (27700576).

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

23146864 is a wasteful number, since it uses less digits than its factorization.

23146864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897 (or 5891 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 23146864 is about 4811.1187888058. The cubic root of 23146864 is about 284.9907209455.

The spelling of 23146864 in words is "twenty-three million, one hundred forty-six thousand, eight hundred sixty-four".