1423334042261 has 2 divisors, whose sum is σ = 1423334042262. Its totient is φ = 1423334042260.

The previous prime is 1423334042243. The next prime is 1423334042297. The reversal of 1423334042261 is 1622404333241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086201684100 + 337132358161 = 1042210^2 + 580631^2 .

It is an emirp because it is prime and its reverse (1622404333241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423334042261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423334045261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711667021130 + 711667021131.

It is an arithmetic number, because the mean of its divisors is an integer number (711667021131).

Almost surely, 2^{1423334042261} is an apocalyptic number.

It is an amenable number.

1423334042261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423334042261 is an equidigital number, since it uses as much as digits as its factorization.

1423334042261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 1423334042261 in words is "one trillion, four hundred twenty-three billion, three hundred thirty-four million, forty-two thousand, two hundred sixty-one".