233242145053525 has 24 divisors (see below), whose sum is σ = 293586905328704. Its totient is φ = 183777472771200.

The previous prime is 233242145053483. The next prime is 233242145053531. The reversal of 233242145053525 is 525350541242332.

It is a happy number.

It is not a de Polignac number, because 233242145053525 - 2⁷ = 233242145053397 is a prime.

It is a super-2 number, since 2×233242145053525² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1988217 + ... + 21689566.

Almost surely, 2^{233242145053525} is an apocalyptic number.

233242145053525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233242145053525 is a deficient number, since it is larger than the sum of its proper divisors (60344760275179).

233242145053525 is a wasteful number, since it uses less digits than its factorization.

233242145053525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23683741 (or 23683736 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 233242145053525 its reverse (525350541242332), we get a palindrome (758592686295857).

The spelling of 233242145053525 in words is "two hundred thirty-three trillion, two hundred forty-two billion, one hundred forty-five million, fifty-three thousand, five hundred twenty-five".