123456901343 has 2 divisors, whose sum is σ = 123456901344. Its totient is φ = 123456901342.

The previous prime is 123456901289. The next prime is 123456901363. The reversal of 123456901343 is 343109654321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123456901343 - 2¹⁴ = 123456884959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123456901343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123456901363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61728450671 + 61728450672.

It is an arithmetic number, because the mean of its divisors is an integer number (61728450672).

Almost surely, 2^123456901343 is an apocalyptic number.

123456901343 is a deficient number, since it is larger than the sum of its proper divisors (1).

123456901343 is an equidigital number, since it uses as much as digits as its factorization.

123456901343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 123456901343 in words is "one hundred twenty-three billion, four hundred fifty-six million, nine hundred one thousand, three hundred forty-three".