1351103656323 has 8 divisors (see below), whose sum is σ = 1801711800000. Its totient is φ = 900615641768.

The previous prime is 1351103656319. The next prime is 1351103656333. The reversal of 1351103656323 is 3236563011531.

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 1351103656323 - 2² = 1351103656319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351103656333) 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, 30006033 + ... + 30051026.

It is an arithmetic number, because the mean of its divisors is an integer number (225213975000).

Almost surely, 2^{1351103656323} is an apocalyptic number.

1351103656323 is a deficient number, since it is larger than the sum of its proper divisors (450608143677).

1351103656323 is an equidigital number, since it uses as much as digits as its factorization.

1351103656323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60064561.

The product of its (nonzero) digits is 145800, while the sum is 39.

Adding to 1351103656323 its reverse (3236563011531), we get a palindrome (4587666667854).

The spelling of 1351103656323 in words is "one trillion, three hundred fifty-one billion, one hundred three million, six hundred fifty-six thousand, three hundred twenty-three".