Search a number
-
+
23320200121 = 127183623623
BaseRepresentation
bin10101101101111111…
…100000001110111001
32020012020001220120121
4111231333200032321
5340224432400441
614414012453241
71453616300431
oct255577401671
966166056517
1023320200121
119987710569
124629a7a221
1322785104aa
1411b323d2c1
159174addd1
hex56dfe03b9

23320200121 has 4 divisors (see below), whose sum is σ = 23503823872. Its totient is φ = 23136576372.

The previous prime is 23320200097. The next prime is 23320200131. The reversal of 23320200121 is 12100202332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23320200121 - 229 = 22783329209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23320200095 and 23320200104.

It is not an unprimeable number, because it can be changed into a prime (23320200131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91811685 + ... + 91811938.

It is an arithmetic number, because the mean of its divisors is an integer number (5875955968).

Almost surely, 223320200121 is an apocalyptic number.

It is an amenable number.

23320200121 is a deficient number, since it is larger than the sum of its proper divisors (183623751).

23320200121 is a wasteful number, since it uses less digits than its factorization.

23320200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183623750.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23320200121 its reverse (12100202332), we get a palindrome (35420402453).

The spelling of 23320200121 in words is "twenty-three billion, three hundred twenty million, two hundred thousand, one hundred twenty-one".

Divisors: 1 127 183623623 23320200121