Search a number
-
+
23320233021 = 31710723318341
BaseRepresentation
bin10101101101111111…
…101000010000111101
32020012020010120201010
4111231333220100331
5340224434424041
614414013305433
71453616465361
oct255577502075
966166116633
1023320233021
119987733258
124629a95279
132278522467
1411b324b2a1
159174b8a16
hex56dfe843d

23320233021 has 32 divisors (see below), whose sum is σ = 33374809728. Its totient is φ = 14432552960.

The previous prime is 23320232963. The next prime is 23320233049. The reversal of 23320233021 is 12033202332.

It is a cyclic number.

It is not a de Polignac number, because 23320233021 - 210 = 23320231997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320233221) 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, 1262311 + ... + 1280651.

It is an arithmetic number, because the mean of its divisors is an integer number (1042962804).

Almost surely, 223320233021 is an apocalyptic number.

It is an amenable number.

23320233021 is a deficient number, since it is larger than the sum of its proper divisors (10054576707).

23320233021 is a wasteful number, since it uses less digits than its factorization.

23320233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18701.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23320233021 its reverse (12033202332), we get a palindrome (35353435353).

The spelling of 23320233021 in words is "twenty-three billion, three hundred twenty million, two hundred thirty-three thousand, twenty-one".

Divisors: 1 3 17 51 107 233 321 699 1819 3961 5457 11883 18341 24931 55023 74793 311797 423827 935391 1271481 1962487 4273453 5887461 12820359 33362279 72648701 100086837 217946103 457259471 1371778413 7773411007 23320233021