1310120021323 has 8 divisors (see below), whose sum is σ = 1332216484928. Its totient is φ = 1288098335304.

The previous prime is 1310120021303. The next prime is 1310120021341. The reversal of 1310120021323 is 3231200210131.

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 1310120021323 - 2¹³ = 1310120013131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310120021323.

It is not an unprimeable number, because it can be changed into a prime (1310120021303) 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, 18659061 + ... + 18729142.

It is an arithmetic number, because the mean of its divisors is an integer number (166527060616).

Almost surely, 2^{1310120021323} is an apocalyptic number.

1310120021323 is a deficient number, since it is larger than the sum of its proper divisors (22096463605).

1310120021323 is an equidigital number, since it uses as much as digits as its factorization.

1310120021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37388793.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1310120021323 its reverse (3231200210131), we get a palindrome (4541320231454).

The spelling of 1310120021323 in words is "one trillion, three hundred ten billion, one hundred twenty million, twenty-one thousand, three hundred twenty-three".