233631312452 has 24 divisors (see below), whose sum is σ = 420397421976. Its totient is φ = 113525169408.

The previous prime is 233631312433. The next prime is 233631312479. The reversal of 233631312452 is 254213136332.

It can be written as a sum of positive squares in 4 ways, for example, as 27290176 + 233604022276 = 5224^2 + 483326^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 799073 + ... + 1051560.

It is an arithmetic number, because the mean of its divisors is an integer number (17516559249).

Almost surely, 2^233631312452 is an apocalyptic number.

It is an amenable number.

233631312452 is a deficient number, since it is larger than the sum of its proper divisors (186766109524).

233631312452 is a wasteful number, since it uses less digits than its factorization.

233631312452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851527 (or 1851525 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

Adding to 233631312452 its reverse (254213136332), we get a palindrome (487844448784).

The spelling of 233631312452 in words is "two hundred thirty-three billion, six hundred thirty-one million, three hundred twelve thousand, four hundred fifty-two".