1663050142423 has 4 divisors (see below), whose sum is σ = 1663700536120. Its totient is φ = 1662399748728.

The previous prime is 1663050142417. The next prime is 1663050142441. The reversal of 1663050142423 is 3242410503661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1663050142423 - 2¹⁷ = 1663050011351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663050142463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325193013 + ... + 325198126.

It is an arithmetic number, because the mean of its divisors is an integer number (415925134030).

Almost surely, 2^{1663050142423} is an apocalyptic number.

1663050142423 is a deficient number, since it is larger than the sum of its proper divisors (650393697).

1663050142423 is an equidigital number, since it uses as much as digits as its factorization.

1663050142423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650393696.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 1663050142423 in words is "one trillion, six hundred sixty-three billion, fifty million, one hundred forty-two thousand, four hundred twenty-three".