23151311330005 has 16 divisors (see below), whose sum is σ = 28739890137600. Its totient is φ = 17882186091840.

The previous prime is 23151311330003. The next prime is 23151311330023. The reversal of 23151311330005 is 50003311315132.

It is a happy number.

It is not a de Polignac number, because 23151311330005 - 2¹ = 23151311330003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151311330003) 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, 12362716 + ... + 14111674.

It is an arithmetic number, because the mean of its divisors is an integer number (1796243133600).

Almost surely, 2^{23151311330005} is an apocalyptic number.

It is an amenable number.

23151311330005 is a deficient number, since it is larger than the sum of its proper divisors (5588578807595).

23151311330005 is a wasteful number, since it uses less digits than its factorization.

23151311330005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840284.

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 23151311330005 its reverse (50003311315132), we get a palindrome (73154622645137).

The spelling of 23151311330005 in words is "twenty-three trillion, one hundred fifty-one billion, three hundred eleven million, three hundred thirty thousand, five".