23640156215222 has 16 divisors (see below), whose sum is σ = 37150442898432. Its totient is φ = 11268057125160.

The previous prime is 23640156215219. The next prime is 23640156215233. The reversal of 23640156215222 is 22251265104632.

It is a self number, because there is not a number n which added to its sum of digits gives 23640156215222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2845464818 + ... + 2845473125.

It is an arithmetic number, because the mean of its divisors is an integer number (2321902681152).

Almost surely, 2^{23640156215222} is an apocalyptic number.

23640156215222 is a deficient number, since it is larger than the sum of its proper divisors (13510286683210).

23640156215222 is a wasteful number, since it uses less digits than its factorization.

23640156215222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690938043.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 23640156215222 in words is "twenty-three trillion, six hundred forty billion, one hundred fifty-six million, two hundred fifteen thousand, two hundred twenty-two".