13123433103427 has 2 divisors, whose sum is σ = 13123433103428. Its totient is φ = 13123433103426.

The previous prime is 13123433103343. The next prime is 13123433103433. The reversal of 13123433103427 is 72430133432131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13123433103427 - 2⁷ = 13123433103299 is a prime.

It is not a weakly prime, because it can be changed into another prime (13123433103727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561716551713 + 6561716551714.

It is an arithmetic number, because the mean of its divisors is an integer number (6561716551714).

Almost surely, 2^{13123433103427} is an apocalyptic number.

13123433103427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123433103427 is an equidigital number, since it uses as much as digits as its factorization.

13123433103427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 37.

Adding to 13123433103427 its reverse (72430133432131), we get a palindrome (85553566535558).

The spelling of 13123433103427 in words is "thirteen trillion, one hundred twenty-three billion, four hundred thirty-three million, one hundred three thousand, four hundred twenty-seven".