23161452 has 24 divisors (see below), whose sum is σ = 54167232. Its totient is φ = 7702800.

The previous prime is 23161451. The next prime is 23161499. The reversal of 23161452 is 25416132.

It is not an unprimeable number, because it can be changed into a prime (23161451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927 + ... + 7857.

It is an arithmetic number, because the mean of its divisors is an integer number (2256968).

Almost surely, 2^23161452 is an apocalyptic number.

It is an amenable number.

23161452 is an abundant number, since it is smaller than the sum of its proper divisors (31005780).

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

23161452 is a wasteful number, since it uses less digits than its factorization.

23161452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4427 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 23161452 is about 4812.6346214937. The cubic root of 23161452 is about 285.0505788964.

Adding to 23161452 its reverse (25416132), we get a palindrome (48577584).

The spelling of 23161452 in words is "twenty-three million, one hundred sixty-one thousand, four hundred fifty-two".