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23203001233 is a prime number
BaseRepresentation
bin10101100111000000…
…011011001110010001
32012220001112120221001
4111213000123032101
5340004432014413
614354224502001
71450664153626
oct254700331621
965801476831
1023203001233
119927542285
1245b677a901
13225a157539
1411a185234d
1590c05d4dd
hex56701b391

23203001233 has 2 divisors, whose sum is σ = 23203001234. Its totient is φ = 23203001232.

The previous prime is 23203001207. The next prime is 23203001251. The reversal of 23203001233 is 33210030232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15638002704 + 7564998529 = 125052^2 + 86977^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203001233 - 217 = 23202870161 is a prime.

It is a super-3 number, since 3×232030012333 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23203001233.

It is not a weakly prime, because it can be changed into another prime (23203001203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601500616 + 11601500617.

It is an arithmetic number, because the mean of its divisors is an integer number (11601500617).

Almost surely, 223203001233 is an apocalyptic number.

It is an amenable number.

23203001233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203001233 is an equidigital number, since it uses as much as digits as its factorization.

23203001233 is an evil number, because the sum of its binary digits is even.

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

Adding to 23203001233 its reverse (33210030232), we get a palindrome (56413031465).

The spelling of 23203001233 in words is "twenty-three billion, two hundred three million, one thousand, two hundred thirty-three".