403123225512 has 64 divisors (see below), whose sum is σ = 1151828161920. Its totient is φ = 115173312768.

The previous prime is 403123225501. The next prime is 403123225517. The reversal of 403123225512 is 215522321304.

It is a self number, because there is not a number n which added to its sum of digits gives 403123225512.

It is not an unprimeable number, because it can be changed into a prime (403123225517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7094398 + ... + 7150994.

It is an arithmetic number, because the mean of its divisors is an integer number (17997315030).

Almost surely, 2^403123225512 is an apocalyptic number.

403123225512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

403123225512 is an abundant number, since it is smaller than the sum of its proper divisors (748704936408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403123225512 is a wasteful number, since it uses less digits than its factorization.

403123225512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99010 (or 99006 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 403123225512 its reverse (215522321304), we get a palindrome (618645546816).

The spelling of 403123225512 in words is "four hundred three billion, one hundred twenty-three million, two hundred twenty-five thousand, five hundred twelve".