23428352 has 54 divisors (see below), whose sum is σ = 49169442. Its totient is φ = 11140096.

The previous prime is 23428337. The next prime is 23428357. The reversal of 23428352 is 25382432.

It can be written as a sum of positive squares in only one way, i.e., 22886656 + 541696 = 4784^2 + 736^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23428357) 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 5 ways as a sum of consecutive naturals, for example, 135338 + ... + 135510.

Almost surely, 2^23428352 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 23428352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24584721).

23428352 is an abundant number, since it is smaller than the sum of its proper divisors (25741090).

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

23428352 is an equidigital number, since it uses as much as digits as its factorization.

23428352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 198 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 23428352 is about 4840.2842891715. The cubic root of 23428352 is about 286.1413225632.

The spelling of 23428352 in words is "twenty-three million, four hundred twenty-eight thousand, three hundred fifty-two".