23420311240233 has 16 divisors (see below), whose sum is σ = 31578935788800. Its totient is φ = 15437624737920.

The previous prime is 23420311240219. The next prime is 23420311240379. The reversal of 23420311240233 is 33204211302432.

It is a happy number.

It is not a de Polignac number, because 23420311240233 - 2⁵ = 23420311240201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23420311240233.

It is not an unprimeable number, because it can be changed into a prime (23420311240213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7278928 + ... + 9991166.

It is an arithmetic number, because the mean of its divisors is an integer number (1973683486800).

Almost surely, 2^{23420311240233} is an apocalyptic number.

It is an amenable number.

23420311240233 is a deficient number, since it is larger than the sum of its proper divisors (8158624548567).

23420311240233 is a wasteful number, since it uses less digits than its factorization.

23420311240233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744672.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 23420311240233 its reverse (33204211302432), we get a palindrome (56624522542665).

The spelling of 23420311240233 in words is "twenty-three trillion, four hundred twenty billion, three hundred eleven million, two hundred forty thousand, two hundred thirty-three".