23070864 has 80 divisors (see below), whose sum is σ = 64370880. Its totient is φ = 7096320.

The previous prime is 23070821. The next prime is 23070881. The reversal of 23070864 is 46807032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37084 + ... + 37700.

It is an arithmetic number, because the mean of its divisors is an integer number (804636).

Almost surely, 2^23070864 is an apocalyptic number.

23070864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23070864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32185440).

23070864 is an abundant number, since it is smaller than the sum of its proper divisors (41300016).

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

23070864 is a wasteful number, since it uses less digits than its factorization.

23070864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 23070864 is about 4803.2139240305. The cubic root of 23070864 is about 284.6784677986.

Adding to 23070864 its reverse (46807032), we get a palindrome (69877896).

The spelling of 23070864 in words is "twenty-three million, seventy thousand, eight hundred sixty-four".