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20232131223 = 37151943091
BaseRepresentation
bin10010110101111011…
…011101001010010111
31221020000022202102110
4102311323131022113
5312413411144343
613143340442103
71314241164213
oct226573351227
957200282373
1020232131223
118642568707
123b07849333
131ba5801ca5
14d9d06d943
157d6320833
hex4b5edd297

20232131223 has 8 divisors (see below), whose sum is σ = 26979975936. Its totient is φ = 13486187000.

The previous prime is 20232131207. The next prime is 20232131237. The reversal of 20232131223 is 32213123202.

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 20232131223 - 24 = 20232131207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20232131223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232131243) 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, 450093 + ... + 492998.

It is an arithmetic number, because the mean of its divisors is an integer number (3372496992).

Almost surely, 220232131223 is an apocalyptic number.

20232131223 is a deficient number, since it is larger than the sum of its proper divisors (6747844713).

20232131223 is an equidigital number, since it uses as much as digits as its factorization.

20232131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950245.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20232131223 its reverse (32213123202), we get a palindrome (52445254425).

The spelling of 20232131223 in words is "twenty billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 3 7151 21453 943091 2829273 6744043741 20232131223