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20232311023 = 43470518861
BaseRepresentation
bin10010110101111100…
…001001000011101111
31221020000122220001201
4102311330021003233
5312413432423043
613143344350331
71314242543341
oct226574110357
957200586051
1020232311023
118642680801
123b079153a7
131ba5865a92
14d9d0b9291
157d6358c4d
hex4b5f090ef

20232311023 has 4 divisors (see below), whose sum is σ = 20702829928. Its totient is φ = 19761792120.

The previous prime is 20232311003. The next prime is 20232311051. The reversal of 20232311023 is 32011323202.

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

It is a cyclic number.

It is not a de Polignac number, because 20232311023 - 229 = 19695440111 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 (20232311003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235259388 + ... + 235259473.

It is an arithmetic number, because the mean of its divisors is an integer number (5175707482).

Almost surely, 220232311023 is an apocalyptic number.

20232311023 is a deficient number, since it is larger than the sum of its proper divisors (470518905).

20232311023 is an equidigital number, since it uses as much as digits as its factorization.

20232311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470518904.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20232311023 its reverse (32011323202), we get a palindrome (52243634225).

The spelling of 20232311023 in words is "twenty billion, two hundred thirty-two million, three hundred eleven thousand, twenty-three".

Divisors: 1 43 470518861 20232311023