23738143 has 12 divisors (see below), whose sum is σ = 28101304. Its totient is φ = 19918800.

The previous prime is 23738123. The next prime is 23738173. The reversal of 23738143 is 34183732.

It is a de Polignac number, because none of the positive numbers 2^k-23738143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23738123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5973 + ... + 9118.

Almost surely, 2^23738143 is an apocalyptic number.

23738143 is a deficient number, since it is larger than the sum of its proper divisors (4363161).

23738143 is a wasteful number, since it uses less digits than its factorization.

23738143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15126 (or 15115 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 23738143 is about 4872.1805180022. The cubic root of 23738143 is about 287.3970111266.

The spelling of 23738143 in words is "twenty-three million, seven hundred thirty-eight thousand, one hundred forty-three".