23143212 has 48 divisors (see below), whose sum is σ = 60261600. Its totient is φ = 7680960.

The previous prime is 23143199. The next prime is 23143259. The reversal of 23143212 is 21234132.

23143212 is a `hidden beast` number, since 231 + 432 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45214 + ... + 45722.

It is an arithmetic number, because the mean of its divisors is an integer number (1255450).

Almost surely, 2^23143212 is an apocalyptic number.

It is an amenable number.

23143212 is an abundant number, since it is smaller than the sum of its proper divisors (37118388).

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

23143212 is a wasteful number, since it uses less digits than its factorization.

23143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 935 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 23143212 is about 4810.7392363336. The cubic root of 23143212 is about 284.9757320056.

Adding to 23143212 its reverse (21234132), we get a palindrome (44377344).

The spelling of 23143212 in words is "twenty-three million, one hundred forty-three thousand, two hundred twelve".