23115432 has 16 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 7705136.

The previous prime is 23115409. The next prime is 23115451. The reversal of 23115432 is 23451132.

It is a super-3 number, since 3×23115432³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23115399 and 23115408.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 481548 + ... + 481595.

It is an arithmetic number, because the mean of its divisors is an integer number (3611790).

Almost surely, 2^23115432 is an apocalyptic number.

It is an amenable number.

23115432 is an abundant number, since it is smaller than the sum of its proper divisors (34673208).

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

23115432 is a wasteful number, since it uses less digits than its factorization.

23115432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963152 (or 963148 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 23115432 is about 4807.8510792245. The cubic root of 23115432 is about 284.8616626257.

Adding to 23115432 its reverse (23451132), we get a palindrome (46566564).

The spelling of 23115432 in words is "twenty-three million, one hundred fifteen thousand, four hundred thirty-two".