23545212 has 24 divisors (see below), whose sum is σ = 55042512. Its totient is φ = 7833600.

The previous prime is 23545211. The next prime is 23545219. The reversal of 23545212 is 21254532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23545211) 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, 6162 + ... + 9222.

It is an arithmetic number, because the mean of its divisors is an integer number (2293438).

Almost surely, 2^23545212 is an apocalyptic number.

It is an amenable number.

23545212 is an abundant number, since it is smaller than the sum of its proper divisors (31497300).

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

23545212 is a wasteful number, since it uses less digits than its factorization.

23545212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709 (or 3707 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 23545212 is about 4852.3408783802. The cubic root of 23545212 is about 286.6162888457.

Adding to 23545212 its reverse (21254532), we get a palindrome (44799744).

The spelling of 23545212 in words is "twenty-three million, five hundred forty-five thousand, two hundred twelve".