23101243 has 4 divisors (see below), whose sum is σ = 25201368. Its totient is φ = 21001120.

The previous prime is 23101219. The next prime is 23101279. The reversal of 23101243 is 34210132.

It is a happy number.

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 23101243 - 2⁹ = 23100731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050046 + ... + 1050067.

It is an arithmetic number, because the mean of its divisors is an integer number (6300342).

Almost surely, 2^23101243 is an apocalyptic number.

23101243 is a deficient number, since it is larger than the sum of its proper divisors (2100125).

23101243 is a wasteful number, since it uses less digits than its factorization.

23101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100124.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23101243 is about 4806.3752454422. The cubic root of 23101243 is about 284.8033649276.

Adding to 23101243 its reverse (34210132), we get a palindrome (57311375).

Subtracting 23101243 from its reverse (34210132), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2310 and 1243, that added together give a palindrome (3553).

The spelling of 23101243 in words is "twenty-three million, one hundred one thousand, two hundred forty-three".