23143110642251 has 4 divisors (see below), whose sum is σ = 24149332844112. Its totient is φ = 22136888440392.

The previous prime is 23143110642241. The next prime is 23143110642287. The reversal of 23143110642251 is 15224601134132.

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 23143110642251 - 2⁶ = 23143110642187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23143110642241) 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, 503111100896 + ... + 503111100941.

It is an arithmetic number, because the mean of its divisors is an integer number (6037333211028).

Almost surely, 2^{23143110642251} is an apocalyptic number.

23143110642251 is a deficient number, since it is larger than the sum of its proper divisors (1006222201861).

23143110642251 is a wasteful number, since it uses less digits than its factorization.

23143110642251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006222201860.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 23143110642251 its reverse (15224601134132), we get a palindrome (38367711776383).

The spelling of 23143110642251 in words is "twenty-three trillion, one hundred forty-three billion, one hundred ten million, six hundred forty-two thousand, two hundred fifty-one".