1403313398923 has 2 divisors, whose sum is σ = 1403313398924. Its totient is φ = 1403313398922.

The previous prime is 1403313398891. The next prime is 1403313398933. The reversal of 1403313398923 is 3298933133041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1403313398923 - 2⁵ = 1403313398891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1403313398933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701656699461 + 701656699462.

It is an arithmetic number, because the mean of its divisors is an integer number (701656699462).

Almost surely, 2^{1403313398923} is an apocalyptic number.

1403313398923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403313398923 is an equidigital number, since it uses as much as digits as its factorization.

1403313398923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 1403313398923 in words is "one trillion, four hundred three billion, three hundred thirteen million, three hundred ninety-eight thousand, nine hundred twenty-three".