23011632 has 120 divisors (see below), whose sum is σ = 75712416. Its totient is φ = 6386688.

The previous prime is 23011627. The next prime is 23011633. The reversal of 23011632 is 23611032.

23011632 is a `hidden beast` number, since 2 + 30 + 1 + 1 + 632 = 666.

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 (23011633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36988 + ... + 37604.

Almost surely, 2^23011632 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 23011632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37856208).

23011632 is an abundant number, since it is smaller than the sum of its proper divisors (52700784).

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

23011632 is a wasteful number, since it uses less digits than its factorization.

23011632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23011632 is about 4797.0440898537. The cubic root of 23011632 is about 284.4346317325.

Adding to 23011632 its reverse (23611032), we get a palindrome (46622664).

The spelling of 23011632 in words is "twenty-three million, eleven thousand, six hundred thirty-two".