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123402084629 is a prime number
BaseRepresentation
bin111001011101101010…
…1100110000100010101
3102210112002210102020212
41302323111212010111
54010211413202004
6132405022535205
711626006261325
oct1627325460425
9383462712225
10123402084629
114837529470a
121babb137505
13b837c8ccb5
145d890d7285
1533239c096e
hex1cbb566115

123402084629 has 2 divisors, whose sum is σ = 123402084630. Its totient is φ = 123402084628.

The previous prime is 123402084587. The next prime is 123402084647. The reversal of 123402084629 is 926480204321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123357595729 + 44488900 = 351223^2 + 6670^2 .

It is a cyclic number.

It is not a de Polignac number, because 123402084629 - 224 = 123385307413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123402084829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61701042314 + 61701042315.

It is an arithmetic number, because the mean of its divisors is an integer number (61701042315).

Almost surely, 2123402084629 is an apocalyptic number.

It is an amenable number.

123402084629 is a deficient number, since it is larger than the sum of its proper divisors (1).

123402084629 is an equidigital number, since it uses as much as digits as its factorization.

123402084629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 123402084629 in words is "one hundred twenty-three billion, four hundred two million, eighty-four thousand, six hundred twenty-nine".