1351423551203 has 8 divisors (see below), whose sum is σ = 1474490542896. Its totient is φ = 1228391610400.

The previous prime is 1351423551113. The next prime is 1351423551227. The reversal of 1351423551203 is 3021553241531.

It is a happy number.

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 1351423551203 - 2³⁰ = 1350349809379 is a prime.

It is a super-2 number, since 2×1351423551203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351423551253) 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, 8682068 + ... + 8836353.

It is an arithmetic number, because the mean of its divisors is an integer number (184311317862).

Almost surely, 2^{1351423551203} is an apocalyptic number.

1351423551203 is a deficient number, since it is larger than the sum of its proper divisors (123066991693).

1351423551203 is a wasteful number, since it uses less digits than its factorization.

1351423551203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17525445.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1351423551203 its reverse (3021553241531), we get a palindrome (4372976792734).

The spelling of 1351423551203 in words is "one trillion, three hundred fifty-one billion, four hundred twenty-three million, five hundred fifty-one thousand, two hundred three".