353145423503 has 8 divisors (see below), whose sum is σ = 371755969920. Its totient is φ = 334537271640.

The previous prime is 353145423479. The next prime is 353145423563. The reversal of 353145423503 is 305324541353.

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 353145423503 - 2¹⁸ = 353145161359 is a prime.

It is a super-2 number, since 2×353145423503² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353145423563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291875 + ... + 889652.

It is an arithmetic number, because the mean of its divisors is an integer number (46469496240).

Almost surely, 2^353145423503 is an apocalyptic number.

353145423503 is a deficient number, since it is larger than the sum of its proper divisors (18610546417).

353145423503 is a wasteful number, since it uses less digits than its factorization.

353145423503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197277.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 353145423503 its reverse (305324541353), we get a palindrome (658469964856).

The spelling of 353145423503 in words is "three hundred fifty-three billion, one hundred forty-five million, four hundred twenty-three thousand, five hundred three".