23150350520155 has 128 divisors (see below), whose sum is σ = 30625446297600. Its totient is φ = 16731353094144.

The previous prime is 23150350520117. The next prime is 23150350520191. The reversal of 23150350520155 is 55102505305132.

It is not a de Polignac number, because 23150350520155 - 2²⁵ = 23150316965723 is a prime.

It is a super-2 number, since 2×23150350520155² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 52258127364 + ... + 52258127806.

It is an arithmetic number, because the mean of its divisors is an integer number (239261299200).

Almost surely, 2^{23150350520155} is an apocalyptic number.

23150350520155 is a deficient number, since it is larger than the sum of its proper divisors (7475095777445).

23150350520155 is a wasteful number, since it uses less digits than its factorization.

23150350520155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 112500, while the sum is 37.

Adding to 23150350520155 its reverse (55102505305132), we get a palindrome (78252855825287).

The spelling of 23150350520155 in words is "twenty-three trillion, one hundred fifty billion, three hundred fifty million, five hundred twenty thousand, one hundred fifty-five".