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123742111033 is a prime number
BaseRepresentation
bin111001100111110011…
…0101100010100111001
3102211101210121112210101
41303033212230110321
54011410440023113
6132502450515401
711640305406052
oct1631746542471
9384353545711
10123742111033
114852a217572
121bb94b95b61
13b890563658
145dbc329729
1533437892dd
hex1ccf9ac539

123742111033 has 2 divisors, whose sum is σ = 123742111034. Its totient is φ = 123742111032.

The previous prime is 123742111027. The next prime is 123742111039. The reversal of 123742111033 is 330111247321.

It is a balanced prime because it is at equal distance from previous prime (123742111027) and next prime (123742111039).

It can be written as a sum of positive squares in only one way, i.e., 119713924009 + 4028187024 = 345997^2 + 63468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123742111033 is a prime.

It is a super-2 number, since 2×1237421110332 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123742110992 and 123742111010.

It is not a weakly prime, because it can be changed into another prime (123742111039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61871055516 + 61871055517.

It is an arithmetic number, because the mean of its divisors is an integer number (61871055517).

Almost surely, 2123742111033 is an apocalyptic number.

It is an amenable number.

123742111033 is a deficient number, since it is larger than the sum of its proper divisors (1).

123742111033 is an equidigital number, since it uses as much as digits as its factorization.

123742111033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 123742111033 its reverse (330111247321), we get a palindrome (453853358354).

The spelling of 123742111033 in words is "one hundred twenty-three billion, seven hundred forty-two million, one hundred eleven thousand, thirty-three".