23262143 has 4 divisors (see below), whose sum is σ = 23276448. Its totient is φ = 23247840.

The previous prime is 23262139. The next prime is 23262179. The reversal of 23262143 is 34126232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23262143 - 2² = 23262139 is a prime.

It is a super-2 number, since 2×23262143² = 1082254593904898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23262193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4346 + ... + 8087.

It is an arithmetic number, because the mean of its divisors is an integer number (5819112).

Almost surely, 2^23262143 is an apocalyptic number.

23262143 is a deficient number, since it is larger than the sum of its proper divisors (14305).

23262143 is a wasteful number, since it uses less digits than its factorization.

23262143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304.

The product of its digits is 1728, while the sum is 23.

The square root of 23262143 is about 4823.0843865726. The cubic root of 23262143 is about 285.4630535460.

Adding to 23262143 its reverse (34126232), we get a palindrome (57388375).

The spelling of 23262143 in words is "twenty-three million, two hundred sixty-two thousand, one hundred forty-three".