23551164 has 162 divisors, whose sum is σ = 75937680. Its totient is φ = 6132672.

The previous prime is 23551163. The next prime is 23551169. The reversal of 23551164 is 46115532.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23551163) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 298077 + ... + 298155.

Almost surely, 2^23551164 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 23551164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37968840).

23551164 is an abundant number, since it is smaller than the sum of its proper divisors (52386516).

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

23551164 is a wasteful number, since it uses less digits than its factorization.

23551164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 104 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 23551164 is about 4852.9541518543. The cubic root of 23551164 is about 286.6404380786.

Adding to 23551164 its reverse (46115532), we get a palindrome (69666696).

The spelling of 23551164 in words is "twenty-three million, five hundred fifty-one thousand, one hundred sixty-four".