23220851550705 has 64 divisors (see below), whose sum is σ = 43082180352000. Its totient is φ = 11844399669696.

The previous prime is 23220851550683. The next prime is 23220851550713. The reversal of 23220851550705 is 50705515802232.

23220851550705 is a `hidden beast` number, since 2 + 3 + 2 + 20 + 8 + 5 + 1 + 550 + 70 + 5 = 666.

It is not a de Polignac number, because 23220851550705 - 2²⁷ = 23220717332977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22658886 + ... + 23661504.

It is an arithmetic number, because the mean of its divisors is an integer number (673159068000).

Almost surely, 2^{23220851550705} is an apocalyptic number.

It is an amenable number.

23220851550705 is a deficient number, since it is larger than the sum of its proper divisors (19861328801295).

23220851550705 is a wasteful number, since it uses less digits than its factorization.

23220851550705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010115 (or 1010109 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 23220851550705 in words is "twenty-three trillion, two hundred twenty billion, eight hundred fifty-one million, five hundred fifty thousand, seven hundred five".