23403552 has 24 divisors (see below), whose sum is σ = 61434576. Its totient is φ = 7801152.

The previous prime is 23403533. The next prime is 23403559. The reversal of 23403552 is 25530432.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23403559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121798 + ... + 121989.

It is an arithmetic number, because the mean of its divisors is an integer number (2559774).

Almost surely, 2^23403552 is an apocalyptic number.

It is an amenable number.

23403552 is an abundant number, since it is smaller than the sum of its proper divisors (38031024).

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

23403552 is a wasteful number, since it uses less digits than its factorization.

23403552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243800 (or 243792 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 23403552 is about 4837.7217778620. The cubic root of 23403552 is about 286.0403222852.

Adding to 23403552 its reverse (25530432), we get a palindrome (48933984).

The spelling of 23403552 in words is "twenty-three million, four hundred three thousand, five hundred fifty-two".