353440401520103 has 2 divisors, whose sum is σ = 353440401520104. Its totient is φ = 353440401520102.

The previous prime is 353440401520069. The next prime is 353440401520123. The reversal of 353440401520103 is 301025104044353.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 353440401520103 - 2²⁶ = 353440334411239 is a prime.

It is a super-2 number, since 2×353440401520103² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353440401520123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176720200760051 + 176720200760052.

It is an arithmetic number, because the mean of its divisors is an integer number (176720200760052).

Almost surely, 2^{353440401520103} is an apocalyptic number.

353440401520103 is a deficient number, since it is larger than the sum of its proper divisors (1).

353440401520103 is an equidigital number, since it uses as much as digits as its factorization.

353440401520103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 353440401520103 its reverse (301025104044353), we get a palindrome (654465505564456).

The spelling of 353440401520103 in words is "three hundred fifty-three trillion, four hundred forty billion, four hundred one million, five hundred twenty thousand, one hundred three".