Search a number
-
+
23112433421 = 711734111801
BaseRepresentation
bin10101100001100110…
…111011111100001101
32012122202010021020122
4111201212323330031
5334313240332141
614341231354325
71445514304550
oct254146737415
965582107218
1023112433421
119890403350
1245903829a5
13224446700c
1411937d8697
1590411d64b
hex5619bbf0d

23112433421 has 16 divisors (see below), whose sum is σ = 29210241408. Its totient is φ = 17762976000.

The previous prime is 23112433339. The next prime is 23112433481. The reversal of 23112433421 is 12433421132.

It is not a de Polignac number, because 23112433421 - 214 = 23112417037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112433481) 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, 2050280 + ... + 2061521.

It is an arithmetic number, because the mean of its divisors is an integer number (1825640088).

Almost surely, 223112433421 is an apocalyptic number.

It is an amenable number.

23112433421 is a deficient number, since it is larger than the sum of its proper divisors (6097807987).

23112433421 is a wasteful number, since it uses less digits than its factorization.

23112433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111892.

The product of its digits is 3456, while the sum is 26.

Adding to 23112433421 its reverse (12433421132), we get a palindrome (35545854553).

It can be divided in two parts, 23112 and 433421, that added together give a cube (456533 = 773).

The spelling of 23112433421 in words is "twenty-three billion, one hundred twelve million, four hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 7 11 73 77 511 803 5621 4111801 28782607 45229811 300161473 316608677 2101130311 3301776203 23112433421