23133220124242 has 4 divisors (see below), whose sum is σ = 34699830186366. Its totient is φ = 11566610062120.

The previous prime is 23133220124233. The next prime is 23133220124243. The reversal of 23133220124242 is 24242102233132.

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

It can be written as a sum of positive squares in only one way, i.e., 22856995248201 + 276224876041 = 4780899^2 + 525571^2 .

It is not an unprimeable number, because it can be changed into a prime (23133220124243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783305031059 + ... + 5783305031062.

Almost surely, 2^{23133220124242} is an apocalyptic number.

23133220124242 is a deficient number, since it is larger than the sum of its proper divisors (11566610062124).

23133220124242 is a wasteful number, since it uses less digits than its factorization.

23133220124242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566610062123.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 23133220124242 its reverse (24242102233132), we get a palindrome (47375322357374).

The spelling of 23133220124242 in words is "twenty-three trillion, one hundred thirty-three billion, two hundred twenty million, one hundred twenty-four thousand, two hundred forty-two".