23135388 has 48 divisors (see below), whose sum is σ = 58800000. Its totient is φ = 7051968.

The previous prime is 23135383. The next prime is 23135389. The reversal of 23135388 is 88353132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4863 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (1225000).

Almost surely, 2^23135388 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 23135388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29400000).

23135388 is an abundant number, since it is smaller than the sum of its proper divisors (35664612).

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

23135388 is a wasteful number, since it uses less digits than its factorization.

23135388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554 (or 3552 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 23135388 is about 4809.9259869566. The cubic root of 23135388 is about 284.9436145762.

The spelling of 23135388 in words is "twenty-three million, one hundred thirty-five thousand, three hundred eighty-eight".