2201656023 has 24 divisors (see below), whose sum is σ = 3656260608. Its totient is φ = 1250549712.

The previous prime is 2201656019. The next prime is 2201656033. The reversal of 2201656023 is 3206561022.

2201656023 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 656 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 2201656023 - 2² = 2201656019 is a prime.

It is a super-2 number, since 2×2201656023² = 9694578487224353058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201656033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94111 + ... + 115152.

It is an arithmetic number, because the mean of its divisors is an integer number (152344192).

Almost surely, 2^2201656023 is an apocalyptic number.

2201656023 is a deficient number, since it is larger than the sum of its proper divisors (1454604585).

2201656023 is a wasteful number, since it uses less digits than its factorization.

2201656023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209443 (or 209440 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2201656023 is about 46921.8075419096. The cubic root of 2201656023 is about 1300.9176997541.

The spelling of 2201656023 in words is "two billion, two hundred one million, six hundred fifty-six thousand, twenty-three".