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123132230929 is a prime number
BaseRepresentation
bin111001010101101000…
…0001011110100010001
3102202211022000102120101
41302223100023310101
54004133322342204
6132322143012401
711616221460001
oct1625320136421
9382738012511
10123132230929
1148246a30624
121ba4489a101
13b7c40b8956
145d61330001
153309e68ea4
hex1cab40bd11

123132230929 has 2 divisors, whose sum is σ = 123132230930. Its totient is φ = 123132230928.

The previous prime is 123132230909. The next prime is 123132231007. The reversal of 123132230929 is 929032231321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107222192704 + 15910038225 = 327448^2 + 126135^2 .

It is an emirp because it is prime and its reverse (929032231321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123132230929 - 213 = 123132222737 is a prime.

It is not a weakly prime, because it can be changed into another prime (123132230909) 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 as a sum of consecutive naturals, namely, 61566115464 + 61566115465.

It is an arithmetic number, because the mean of its divisors is an integer number (61566115465).

Almost surely, 2123132230929 is an apocalyptic number.

It is an amenable number.

123132230929 is a deficient number, since it is larger than the sum of its proper divisors (1).

123132230929 is an equidigital number, since it uses as much as digits as its factorization.

123132230929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

It can be divided in two parts, 123132 and 230929, that added together give a triangular number (354061 = T841).

The spelling of 123132230929 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred thirty thousand, nine hundred twenty-nine".