233020312451 has 6 divisors (see below), whose sum is σ = 247533688620. Its totient is φ = 219313234976.

The previous prime is 233020312409. The next prime is 233020312513. The reversal of 233020312451 is 154213020332.

It is a happy number.

It is not a de Polignac number, because 233020312451 - 2¹⁰ = 233020311427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233020312451.

It is not an unprimeable number, because it can be changed into a prime (233020312051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403149041 + ... + 403149618.

It is an arithmetic number, because the mean of its divisors is an integer number (41255614770).

Almost surely, 2^233020312451 is an apocalyptic number.

233020312451 is a deficient number, since it is larger than the sum of its proper divisors (14513376169).

233020312451 is an equidigital number, since it uses as much as digits as its factorization.

233020312451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806298693 (or 806298676 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 233020312451 its reverse (154213020332), we get a palindrome (387233332783).

The spelling of 233020312451 in words is "two hundred thirty-three billion, twenty million, three hundred twelve thousand, four hundred fifty-one".