23143242 has 8 divisors (see below), whose sum is σ = 46286496. Its totient is φ = 7714412.

The previous prime is 23143199. The next prime is 23143259. The reversal of 23143242 is 24234132.

It is a sphenic number, since it is the product of 3 distinct primes.

23143242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928598 + ... + 1928609.

It is an arithmetic number, because the mean of its divisors is an integer number (5785812).

Almost surely, 2^23143242 is an apocalyptic number.

23143242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23143242 is a wasteful number, since it uses less digits than its factorization.

23143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857212.

The product of its digits is 1152, while the sum is 21.

The square root of 23143242 is about 4810.7423543565. The cubic root of 23143242 is about 284.9758551414.

Adding to 23143242 its reverse (24234132), we get a palindrome (47377374).

The spelling of 23143242 in words is "twenty-three million, one hundred forty-three thousand, two hundred forty-two".