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23030223231 = 37676741077
BaseRepresentation
bin10101011100101101…
…010101000101111111
32012110000102120001210
4111130231111011333
5334131214120411
614325133335503
71443465444651
oct253455250577
965400376053
1023030223231
119848a62644
124568937593
132230411932
1411869186d1
158ebcceca6
hex55cb5517f

23030223231 has 4 divisors (see below), whose sum is σ = 30706964312. Its totient is φ = 15353482152.

The previous prime is 23030223193. The next prime is 23030223233. The reversal of 23030223231 is 13232203032.

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

It is not a de Polignac number, because 23030223231 - 217 = 23030092159 is a prime.

It is a super-2 number, since 2×230302232312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23030223198 and 23030223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030223233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838370536 + ... + 3838370541.

It is an arithmetic number, because the mean of its divisors is an integer number (7676741078).

Almost surely, 223030223231 is an apocalyptic number.

23030223231 is a deficient number, since it is larger than the sum of its proper divisors (7676741081).

23030223231 is an equidigital number, since it uses as much as digits as its factorization.

23030223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676741080.

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

Adding to 23030223231 its reverse (13232203032), we get a palindrome (36262426263).

The spelling of 23030223231 in words is "twenty-three billion, thirty million, two hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 3 7676741077 23030223231