23001336 has 48 divisors (see below), whose sum is σ = 62931960. Its totient is φ = 7588800.

The previous prime is 23001313. The next prime is 23001337. The reversal of 23001336 is 63310032.

It is a happy number.

It is a super-2 number, since 2×23001336² = 1058122915569792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5691 + ... + 8853.

Almost surely, 2^23001336 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 23001336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31465980).

23001336 is an abundant number, since it is smaller than the sum of its proper divisors (39930624).

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

23001336 is a wasteful number, since it uses less digits than its factorization.

23001336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 23001336 is about 4795.9708089187. The cubic root of 23001336 is about 284.3922042645.

Adding to 23001336 its reverse (63310032), we get a palindrome (86311368).

The spelling of 23001336 in words is "twenty-three million, one thousand, three hundred thirty-six".