10400343004123 has 2 divisors, whose sum is σ = 10400343004124. Its totient is φ = 10400343004122.

The previous prime is 10400343004097. The next prime is 10400343004169. The reversal of 10400343004123 is 32140034300401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10400343004123 - 2³³ = 10391753069531 is a prime.

It is not a weakly prime, because it can be changed into another prime (10400343004193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200171502061 + 5200171502062.

It is an arithmetic number, because the mean of its divisors is an integer number (5200171502062).

Almost surely, 2^{10400343004123} is an apocalyptic number.

10400343004123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400343004123 is an equidigital number, since it uses as much as digits as its factorization.

10400343004123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 10400343004123 its reverse (32140034300401), we get a palindrome (42540377304524).

The spelling of 10400343004123 in words is "ten trillion, four hundred billion, three hundred forty-three million, four thousand, one hundred twenty-three".