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123022130977 is a prime number
BaseRepresentation
bin111001010010010110…
…0001011111100100001
3102202112121211202211101
41302210230023330201
54003422131142402
6132303211114401
711613413600614
oct1624454137441
9382477752741
10123022130977
114819a870929
121ba13a42a01
13b7a7349c55
145d5087017b
15330046bb87
hex1ca4b0bf21

123022130977 has 2 divisors, whose sum is σ = 123022130978. Its totient is φ = 123022130976.

The previous prime is 123022130953. The next prime is 123022131049. The reversal of 123022130977 is 779031220321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72506871441 + 50515259536 = 269271^2 + 224756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123022130977 is a prime.

It is not a weakly prime, because it can be changed into another prime (123022130377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511065488 + 61511065489.

It is an arithmetic number, because the mean of its divisors is an integer number (61511065489).

Almost surely, 2123022130977 is an apocalyptic number.

It is an amenable number.

123022130977 is a deficient number, since it is larger than the sum of its proper divisors (1).

123022130977 is an equidigital number, since it uses as much as digits as its factorization.

123022130977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 123022130977 in words is "one hundred twenty-three billion, twenty-two million, one hundred thirty thousand, nine hundred seventy-seven".