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23201101 = 711595107
BaseRepresentation
bin101100010000…
…0010101001101
31121122201221001
41120200111031
521414413401
62145140301
7401130460
oct130402515
947581831
1023201101
1112107370
12792a691
134a64481
14311d2d7
152084601
hex162054d

23201101 has 16 divisors (see below), whose sum is σ = 29422080. Its totient is φ = 17768880.

The previous prime is 23201099. The next prime is 23201117. The reversal of 23201101 is 10110232.

It is a cyclic number.

It is not a de Polignac number, because 23201101 - 21 = 23201099 is a prime.

It is a super-2 number, since 2×232011012 = 1076582175224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (1838880).

Almost surely, 223201101 is an apocalyptic number.

It is an amenable number.

23201101 is a deficient number, since it is larger than the sum of its proper divisors (6220979).

23201101 is a wasteful number, since it uses less digits than its factorization.

23201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 23201101 is about 4816.7521215026. The cubic root of 23201101 is about 285.2131410626.

Adding to 23201101 its reverse (10110232), we get a palindrome (33311333).

The spelling of 23201101 in words is "twenty-three million, two hundred one thousand, one hundred one".

Divisors: 1 7 11 59 77 413 649 4543 5107 35749 56177 301313 393239 2109191 3314443 23201101