23019552 has 120 divisors (see below), whose sum is σ = 69155856. Its totient is φ = 7509888.

The previous prime is 23019539. The next prime is 23019571. The reversal of 23019552 is 25591032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 215083 + ... + 215189.

Almost surely, 2^23019552 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 23019552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34577928).

23019552 is an abundant number, since it is smaller than the sum of its proper divisors (46136304).

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

23019552 is a wasteful number, since it uses less digits than its factorization.

23019552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 23019552 is about 4797.8695271964. The cubic root of 23019552 is about 284.4672596355.

The spelling of 23019552 in words is "twenty-three million, nineteen thousand, five hundred fifty-two".