23143262 has 4 divisors (see below), whose sum is σ = 34714896. Its totient is φ = 11571630.

The previous prime is 23143261. The next prime is 23143271. The reversal of 23143262 is 26234132.

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

It is a super-2 number, since 2×23143262² = 1071221152001288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785814 + ... + 5785817.

It is an arithmetic number, because the mean of its divisors is an integer number (8678724).

Almost surely, 2^23143262 is an apocalyptic number.

23143262 is a deficient number, since it is larger than the sum of its proper divisors (11571634).

23143262 is a wasteful number, since it uses less digits than its factorization.

23143262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571633.

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

The square root of 23143262 is about 4810.7444330374. The cubic root of 23143262 is about 284.9759372318.

Adding to 23143262 its reverse (26234132), we get a palindrome (49377394).

The spelling of 23143262 in words is "twenty-three million, one hundred forty-three thousand, two hundred sixty-two".