Search a number
-
+
23023231142 = 211511615571
BaseRepresentation
bin10101011100010010…
…101010000010100110
32012102112021022201112
4111130102222002212
5334122421344032
614324323425022
71443352143602
oct253422520246
965375238645
1023023231142
11984501735a
124566525172
13222bb341c2
141185a18502
158eb39d1b2
hex55c4aa0a6

23023231142 has 4 divisors (see below), whose sum is σ = 34534846716. Its totient is φ = 11511615570.

The previous prime is 23023231123. The next prime is 23023231169. The reversal of 23023231142 is 24113232032.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5755807784 + ... + 5755807787.

It is an arithmetic number, because the mean of its divisors is an integer number (8633711679).

Almost surely, 223023231142 is an apocalyptic number.

23023231142 is a deficient number, since it is larger than the sum of its proper divisors (11511615574).

23023231142 is a wasteful number, since it uses less digits than its factorization.

23023231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11511615573.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23023231142 its reverse (24113232032), we get a palindrome (47136463174).

The spelling of 23023231142 in words is "twenty-three billion, twenty-three million, two hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 11511615571 23023231142