1294432173823 has 2 divisors, whose sum is σ = 1294432173824. Its totient is φ = 1294432173822.

The previous prime is 1294432173781. The next prime is 1294432173841. The reversal of 1294432173823 is 3283712344921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1294432173823 - 2¹⁷ = 1294432042751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1294432173863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647216086911 + 647216086912.

It is an arithmetic number, because the mean of its divisors is an integer number (647216086912).

Almost surely, 2^{1294432173823} is an apocalyptic number.

1294432173823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294432173823 is an equidigital number, since it uses as much as digits as its factorization.

1294432173823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 49.

The spelling of 1294432173823 in words is "one trillion, two hundred ninety-four billion, four hundred thirty-two million, one hundred seventy-three thousand, eight hundred twenty-three".