23113143 has 24 divisors (see below), whose sum is σ = 34497216. Its totient is φ = 14904000.

The previous prime is 23113121. The next prime is 23113147. The reversal of 23113143 is 34131132.

It is a de Polignac number, because none of the positive numbers 2^k-23113143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42453 + ... + 42993.

It is an arithmetic number, because the mean of its divisors is an integer number (1437384).

Almost surely, 2^23113143 is an apocalyptic number.

23113143 is a deficient number, since it is larger than the sum of its proper divisors (11384073).

23113143 is a wasteful number, since it uses less digits than its factorization.

23113143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 692 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 23113143 is about 4807.6130251924. The cubic root of 23113143 is about 284.8522595298.

Adding to 23113143 its reverse (34131132), we get a palindrome (57244275).

The spelling of 23113143 in words is "twenty-three million, one hundred thirteen thousand, one hundred forty-three".