1351705426123 has 8 divisors (see below), whose sum is σ = 1455697702368. Its totient is φ = 1247715283584.

The previous prime is 1351705426117. The next prime is 1351705426129. The reversal of 1351705426123 is 3216245071531.

It is an interprime number because it is at equal distance from previous prime (1351705426117) and next prime (1351705426129).

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 1351705426123 - 2⁵ = 1351705426091 is a prime.

It is a super-2 number, since 2×1351705426123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1351705426129) 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, 931290 + ... + 1889632.

It is an arithmetic number, because the mean of its divisors is an integer number (181962212796).

Almost surely, 2^{1351705426123} is an apocalyptic number.

1351705426123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1351705426123 is a deficient number, since it is larger than the sum of its proper divisors (103992276245).

1351705426123 is a wasteful number, since it uses less digits than its factorization.

1351705426123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066853.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1351705426123 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, four hundred twenty-six thousand, one hundred twenty-three".