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200323123001 = 646930966629
BaseRepresentation
bin1011101010010000110…
…0000100011100111001
3201011001212022000220222
42322210030010130321
511240230204414001
6232005511425425
720321123310401
oct2724414043471
9634055260828
10200323123001
1177a581a9301
12329a7985275
1315b76254a11
1499a4d93801
1553269ee61b
hex2ea4304739

200323123001 has 4 divisors (see below), whose sum is σ = 200354096100. Its totient is φ = 200292149904.

The previous prime is 200323122973. The next prime is 200323123019. The reversal of 200323123001 is 100321323002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60969486400 + 139353636601 = 246920^2 + 373301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200323123001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200323323001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15476846 + ... + 15489783.

It is an arithmetic number, because the mean of its divisors is an integer number (50088524025).

Almost surely, 2200323123001 is an apocalyptic number.

It is an amenable number.

200323123001 is a deficient number, since it is larger than the sum of its proper divisors (30973099).

200323123001 is an equidigital number, since it uses as much as digits as its factorization.

200323123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30973098.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 200323123001 its reverse (100321323002), we get a palindrome (300644446003).

The spelling of 200323123001 in words is "two hundred billion, three hundred twenty-three million, one hundred twenty-three thousand, one".

Divisors: 1 6469 30966629 200323123001