23835156 has 48 divisors (see below), whose sum is σ = 60802560. Its totient is φ = 7234560.

The previous prime is 23835143. The next prime is 23835167. The reversal of 23835156 is 65153832.

It is a super-2 number, since 2×23835156² = 1136229323088672, which contains 22 as substring.

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, 4440 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (1266720).

Almost surely, 2^23835156 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 23835156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30401280).

23835156 is an abundant number, since it is smaller than the sum of its proper divisors (36967404).

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

23835156 is a wasteful number, since it uses less digits than its factorization.

23835156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 3822 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 23835156 is about 4882.1261761655. The cubic root of 23835156 is about 287.7879901874.

Adding to 23835156 its reverse (65153832), we get a palindrome (88988988).

The spelling of 23835156 in words is "twenty-three million, eight hundred thirty-five thousand, one hundred fifty-six".