23091464 has 32 divisors (see below), whose sum is σ = 48133440. Its totient is φ = 10296000.

The previous prime is 23091461. The next prime is 23091493. The reversal of 23091464 is 46419032.

It is not an unprimeable number, because it can be changed into a prime (23091461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (1504170).

Almost surely, 2^23091464 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 23091464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24066720).

23091464 is an abundant number, since it is smaller than the sum of its proper divisors (25041976).

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

23091464 is a wasteful number, since it uses less digits than its factorization.

23091464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021 (or 5017 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 23091464 is about 4805.3578430747. The cubic root of 23091464 is about 284.7631724989.

It can be divided in two parts, 2309 and 1464, that added together give a palindrome (3773).

The spelling of 23091464 in words is "twenty-three million, ninety-one thousand, four hundred sixty-four".