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23031022033 = 52344036371
BaseRepresentation
bin10101011100110000…
…011000000111010001
32012110001221010211001
4111130300120013101
5334131420201113
614325202422001
71443505312555
oct253460300721
965401833731
1023031022033
119849458808
124569061901
1322306313b6
141186a85865
158ebddb7dd
hex55cc181d1

23031022033 has 4 divisors (see below), whose sum is σ = 23075058928. Its totient is φ = 22986985140.

The previous prime is 23031021967. The next prime is 23031022039. The reversal of 23031022033 is 33022013032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23031022033 - 225 = 22997467601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23031022033.

It is not an unprimeable number, because it can be changed into a prime (23031022039) 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, 22017663 + ... + 22018708.

It is an arithmetic number, because the mean of its divisors is an integer number (5768764732).

Almost surely, 223031022033 is an apocalyptic number.

It is an amenable number.

23031022033 is a deficient number, since it is larger than the sum of its proper divisors (44036895).

23031022033 is an equidigital number, since it uses as much as digits as its factorization.

23031022033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44036894.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23031022033 its reverse (33022013032), we get a palindrome (56053035065).

Subtracting 23031022033 from its reverse (33022013032), we obtain a palindrome (9990990999).

The spelling of 23031022033 in words is "twenty-three billion, thirty-one million, twenty-two thousand, thirty-three".

Divisors: 1 523 44036371 23031022033