233412544551 has 16 divisors (see below), whose sum is σ = 321283847168. Its totient is φ = 150575673600.

The previous prime is 233412544549. The next prime is 233412544559. The reversal of 233412544551 is 155445214332.

It is not a de Polignac number, because 233412544551 - 2¹ = 233412544549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233412544559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032855 + ... + 1238391.

It is an arithmetic number, because the mean of its divisors is an integer number (20080240448).

Almost surely, 2^233412544551 is an apocalyptic number.

233412544551 is a deficient number, since it is larger than the sum of its proper divisors (87871302617).

233412544551 is a wasteful number, since it uses less digits than its factorization.

233412544551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217782.

The product of its digits is 288000, while the sum is 39.

Adding to 233412544551 its reverse (155445214332), we get a palindrome (388857758883).

The spelling of 233412544551 in words is "two hundred thirty-three billion, four hundred twelve million, five hundred forty-four thousand, five hundred fifty-one".