23145233105422 has 4 divisors (see below), whose sum is σ = 34717849658136. Its totient is φ = 11572616552710.

The previous prime is 23145233105317. The next prime is 23145233105429. The reversal of 23145233105422 is 22450133254132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145233105429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786308276354 + ... + 5786308276357.

It is an arithmetic number, because the mean of its divisors is an integer number (8679462414534).

Almost surely, 2^{23145233105422} is an apocalyptic number.

23145233105422 is a deficient number, since it is larger than the sum of its proper divisors (11572616552714).

23145233105422 is a wasteful number, since it uses less digits than its factorization.

23145233105422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572616552713.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 23145233105422 its reverse (22450133254132), we get a palindrome (45595366359554).

The spelling of 23145233105422 in words is "twenty-three trillion, one hundred forty-five billion, two hundred thirty-three million, one hundred five thousand, four hundred twenty-two".