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123200433043 = 731811683503
BaseRepresentation
bin111001010111101010…
…0010110101110010011
3102210000001100110021121
41302233110112232103
54004303302324133
6132333020503111
711621010254662
oct1625724265623
9383001313247
10123200433043
1148281483906
121ba636aaa97
13b80527802c
145d6a404dd9
153310e3c02d
hex1caf516b93

123200433043 has 4 divisors (see below), whose sum is σ = 123202189728. Its totient is φ = 123198676360.

The previous prime is 123200433017. The next prime is 123200433071. The reversal of 123200433043 is 340334002321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340334002321 = 457744713353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123200433043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123200432999 and 123200433017.

It is not an unprimeable number, because it can be changed into a prime (123200433443) 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, 768571 + ... + 914932.

It is an arithmetic number, because the mean of its divisors is an integer number (30800547432).

Almost surely, 2123200433043 is an apocalyptic number.

123200433043 is a deficient number, since it is larger than the sum of its proper divisors (1756685).

123200433043 is an equidigital number, since it uses as much as digits as its factorization.

123200433043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756684.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 123200433043 its reverse (340334002321), we get a palindrome (463534435364).

The spelling of 123200433043 in words is "one hundred twenty-three billion, two hundred million, four hundred thirty-three thousand, forty-three".

Divisors: 1 73181 1683503 123200433043