23101123210442 has 16 divisors (see below), whose sum is σ = 35009241611400. Its totient is φ = 11431378203648.

The previous prime is 23101123210369. The next prime is 23101123210447. The reversal of 23101123210442 is 24401232110132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8165997779641 + 14935125430801 = 2857621^2 + 3864599^2 .

It is not an unprimeable number, because it can be changed into a prime (23101123210447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23169878 + ... + 24146334.

Almost surely, 2^{23101123210442} is an apocalyptic number.

23101123210442 is a deficient number, since it is larger than the sum of its proper divisors (11908118400958).

23101123210442 is a wasteful number, since it uses less digits than its factorization.

23101123210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098505.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 23101123210442 its reverse (24401232110132), we get a palindrome (47502355320574).

The spelling of 23101123210442 in words is "twenty-three trillion, one hundred one billion, one hundred twenty-three million, two hundred ten thousand, four hundred forty-two".