23205577101 has 32 divisors (see below), whose sum is σ = 36144783360. Its totient is φ = 12966859776.

The previous prime is 23205577063. The next prime is 23205577103. The reversal of 23205577101 is 10177550232.

It is a happy number.

It is not a de Polignac number, because 23205577101 - 2⁷ = 23205576973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23205577103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191520 + ... + 1210838.

It is an arithmetic number, because the mean of its divisors is an integer number (1129524480).

Almost surely, 2^23205577101 is an apocalyptic number.

23205577101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23205577101 is a deficient number, since it is larger than the sum of its proper divisors (12939206259).

23205577101 is a wasteful number, since it uses less digits than its factorization.

23205577101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20593.

The product of its (nonzero) digits is 14700, while the sum is 33.

The spelling of 23205577101 in words is "twenty-three billion, two hundred five million, five hundred seventy-seven thousand, one hundred one".