23445432 has 24 divisors (see below), whose sum is σ = 63498240. Its totient is φ = 7815120.

The previous prime is 23445413. The next prime is 23445437. The reversal of 23445432 is 23454432.

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

It is a junction number, because it is equal to n+sod(n) for n = 23445396 and 23445405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162744 + ... + 162887.

It is an arithmetic number, because the mean of its divisors is an integer number (2645760).

Almost surely, 2^23445432 is an apocalyptic number.

It is an amenable number.

23445432 is an abundant number, since it is smaller than the sum of its proper divisors (40052808).

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

23445432 is a wasteful number, since it uses less digits than its factorization.

23445432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325643 (or 325636 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 23445432 is about 4842.0483268964. The cubic root of 23445432 is about 286.2108409912.

Adding to 23445432 its reverse (23454432), we get a palindrome (46899864).

It can be divided in two parts, 2344 and 5432, that added together give a 5-th power (7776 = 6⁵).

The spelling of 23445432 in words is "twenty-three million, four hundred forty-five thousand, four hundred thirty-two".