23143412 has 6 divisors (see below), whose sum is σ = 40500978. Its totient is φ = 11571704.

The previous prime is 23143397. The next prime is 23143423. The reversal of 23143412 is 21434132.

It can be written as a sum of positive squares in only one way, i.e., 17926756 + 5216656 = 4234^2 + 2284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2892923 + ... + 2892930.

It is an arithmetic number, because the mean of its divisors is an integer number (6750163).

Almost surely, 2^23143412 is an apocalyptic number.

It is an amenable number.

23143412 is a deficient number, since it is larger than the sum of its proper divisors (17357566).

23143412 is a wasteful number, since it uses less digits than its factorization.

23143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785857 (or 5785855 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 23143412 is about 4810.7600231149. The cubic root of 23143412 is about 284.9765529084.

Adding to 23143412 its reverse (21434132), we get a palindrome (44577544).

The spelling of 23143412 in words is "twenty-three million, one hundred forty-three thousand, four hundred twelve".