1351757121323 has 32 divisors (see below), whose sum is σ = 1596899328000. Its totient is φ = 1143587102112.

The previous prime is 1351757121269. The next prime is 1351757121353. The reversal of 1351757121323 is 3231217571531.

It is not a de Polignac number, because 1351757121323 - 2²⁸ = 1351488685867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351757121353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99628886 + ... + 99642452.

It is an arithmetic number, because the mean of its divisors is an integer number (49903104000).

Almost surely, 2^{1351757121323} is an apocalyptic number.

1351757121323 is a deficient number, since it is larger than the sum of its proper divisors (245142206677).

1351757121323 is an equidigital number, since it uses as much as digits as its factorization.

1351757121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17344 (or 17330 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The spelling of 1351757121323 in words is "one trillion, three hundred fifty-one billion, seven hundred fifty-seven million, one hundred twenty-one thousand, three hundred twenty-three".