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20232121223 = 223353257017
BaseRepresentation
bin10010110101111011…
…011010101110000111
31221020000022020201002
4102311323122232013
5312413410334343
613143340323515
71314241123106
oct226573325607
957200266632
1020232121223
118642561146
123b0784359b
131ba57ca582
14d9d06a03d
157d631c8b8
hex4b5edab87

20232121223 has 8 divisors (see below), whose sum is σ = 20380499328. Its totient is φ = 20084258304.

The previous prime is 20232121171. The next prime is 20232121241. The reversal of 20232121223 is 32212123202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20232121223 - 230 = 19158379399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20232121195 and 20232121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232129223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49790 + ... + 207227.

It is an arithmetic number, because the mean of its divisors is an integer number (2547562416).

Almost surely, 220232121223 is an apocalyptic number.

20232121223 is a deficient number, since it is larger than the sum of its proper divisors (148378105).

20232121223 is a wasteful number, since it uses less digits than its factorization.

20232121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257593.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20232121223 its reverse (32212123202), we get a palindrome (52444244425).

The spelling of 20232121223 in words is "twenty billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 223 353 78719 257017 57314791 90727001 20232121223