23445212 has 24 divisors (see below), whose sum is σ = 46996320. Its totient is φ = 10025280.

The previous prime is 23445209. The next prime is 23445217. The reversal of 23445212 is 21254432.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445217) 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, 19262 + ... + 20442.

It is an arithmetic number, because the mean of its divisors is an integer number (1958180).

Almost surely, 2^23445212 is an apocalyptic number.

It is an amenable number.

23445212 is an abundant number, since it is smaller than the sum of its proper divisors (23551108).

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

23445212 is a wasteful number, since it uses less digits than its factorization.

23445212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 23445212 is about 4842.0256091847. The cubic root of 23445212 is about 286.2099457695.

Adding to 23445212 its reverse (21254432), we get a palindrome (44699644).

The spelling of 23445212 in words is "twenty-three million, four hundred forty-five thousand, two hundred twelve".