403305323242255 has 12 divisors (see below), whose sum is σ = 562981308363000. Its totient is φ = 276552221651664.

The previous prime is 403305323242201. The next prime is 403305323242307. The reversal of 403305323242255 is 552242323503304.

It is not a de Polignac number, because 403305323242255 - 2³¹ = 403303175758607 is a prime.

It is a super-2 number, since 2×403305323242255² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823072088005 + ... + 823072088494.

It is an arithmetic number, because the mean of its divisors is an integer number (46915109030250).

Almost surely, 2^{403305323242255} is an apocalyptic number.

403305323242255 is a deficient number, since it is larger than the sum of its proper divisors (159675985120745).

403305323242255 is a wasteful number, since it uses less digits than its factorization.

403305323242255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646144176518 (or 1646144176511 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 43.

Adding to 403305323242255 its reverse (552242323503304), we get a palindrome (955547646745559).

The spelling of 403305323242255 in words is "four hundred three trillion, three hundred five billion, three hundred twenty-three million, two hundred forty-two thousand, two hundred fifty-five".