1173400522423 has 2 divisors, whose sum is σ = 1173400522424. Its totient is φ = 1173400522422.

The previous prime is 1173400522381. The next prime is 1173400522453. The reversal of 1173400522423 is 3242250043711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1173400522423 - 2⁹ = 1173400521911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1173400522453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586700261211 + 586700261212.

It is an arithmetic number, because the mean of its divisors is an integer number (586700261212).

Almost surely, 2^{1173400522423} is an apocalyptic number.

1173400522423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173400522423 is an equidigital number, since it uses as much as digits as its factorization.

1173400522423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 1173400522423 in words is "one trillion, one hundred seventy-three billion, four hundred million, five hundred twenty-two thousand, four hundred twenty-three".