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123422703401 is a prime number
BaseRepresentation
bin111001011110010010…
…0001111111100101001
3102210120112120221220002
41302330210033330221
54010232203002101
6132411040512345
711626346445344
oct1627444177451
9383515527802
10123422703401
1148385997918
121bb0601b6b5
13b83c32bc5a
145d8bb4345b
1533256e4d6b
hex1cbc90ff29

123422703401 has 2 divisors, whose sum is σ = 123422703402. Its totient is φ = 123422703400.

The previous prime is 123422703301. The next prime is 123422703403. The reversal of 123422703401 is 104307224321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123309834025 + 112869376 = 351155^2 + 10624^2 .

It is an emirp because it is prime and its reverse (104307224321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123422703401 is a prime.

It is a super-2 number, since 2×1234227034012 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 123422703403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (123422703403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711351700 + 61711351701.

It is an arithmetic number, because the mean of its divisors is an integer number (61711351701).

Almost surely, 2123422703401 is an apocalyptic number.

It is an amenable number.

123422703401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123422703401 is an equidigital number, since it uses as much as digits as its factorization.

123422703401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 123422703401 its reverse (104307224321), we get a palindrome (227729927722).

The spelling of 123422703401 in words is "one hundred twenty-three billion, four hundred twenty-two million, seven hundred three thousand, four hundred one".