1323707387903 has 8 divisors (see below), whose sum is σ = 1324319785536. Its totient is φ = 1323095126400.

The previous prime is 1323707387897. The next prime is 1323707387909. The reversal of 1323707387903 is 3097837073231.

It is an interprime number because it is at equal distance from previous prime (1323707387897) and next prime (1323707387909).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323707387903 - 2⁸ = 1323707387647 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 (1323707387909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22840523 + ... + 22898403.

It is an arithmetic number, because the mean of its divisors is an integer number (165539973192).

Almost surely, 2^{1323707387903} is an apocalyptic number.

1323707387903 is a deficient number, since it is larger than the sum of its proper divisors (612397633).

1323707387903 is an equidigital number, since it uses as much as digits as its factorization.

1323707387903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68065.

The product of its (nonzero) digits is 4000752, while the sum is 53.

The spelling of 1323707387903 in words is "one trillion, three hundred twenty-three billion, seven hundred seven million, three hundred eighty-seven thousand, nine hundred three".