23221252135150 has 96 divisors (see below), whose sum is σ = 47794346680320. Its totient is φ = 8349097489920.

The previous prime is 23221252135139. The next prime is 23221252135187. The reversal of 23221252135150 is 5153125212232.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11730931 + ... + 13566769.

It is an arithmetic number, because the mean of its divisors is an integer number (497857777920).

Almost surely, 2^{23221252135150} is an apocalyptic number.

23221252135150 is an abundant number, since it is smaller than the sum of its proper divisors (24573094545170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23221252135150 is a wasteful number, since it uses less digits than its factorization.

23221252135150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836538 (or 1836533 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 23221252135150 its reverse (5153125212232), we get a palindrome (28374377347382).

The spelling of 23221252135150 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred fifty-two million, one hundred thirty-five thousand, one hundred fifty".