3400120040243 has 2 divisors, whose sum is σ = 3400120040244. Its totient is φ = 3400120040242.

The previous prime is 3400120040227. The next prime is 3400120040249. The reversal of 3400120040243 is 3420400210043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3400120040243 - 2⁴ = 3400120040227 is a prime.

It is not a weakly prime, because it can be changed into another prime (3400120040249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700060020121 + 1700060020122.

It is an arithmetic number, because the mean of its divisors is an integer number (1700060020122).

Almost surely, 2^{3400120040243} is an apocalyptic number.

3400120040243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400120040243 is an equidigital number, since it uses as much as digits as its factorization.

3400120040243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 3400120040243 its reverse (3420400210043), we get a palindrome (6820520250286).

The spelling of 3400120040243 in words is "three trillion, four hundred billion, one hundred twenty million, forty thousand, two hundred forty-three".