23201142 has 8 divisors (see below), whose sum is σ = 46402296. Its totient is φ = 7733712.

The previous prime is 23201137. The next prime is 23201153. The reversal of 23201142 is 24110232.

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

23201142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933423 + ... + 1933434.

It is an arithmetic number, because the mean of its divisors is an integer number (5800287).

Almost surely, 2^23201142 is an apocalyptic number.

23201142 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.

23201142 is a wasteful number, since it uses less digits than its factorization.

23201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866862.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23201142 is about 4816.7563774806. The cubic root of 23201142 is about 285.2133090680.

Adding to 23201142 its reverse (24110232), we get a palindrome (47311374).

The spelling of 23201142 in words is "twenty-three million, two hundred one thousand, one hundred forty-two".