153121233 has 16 divisors (see below), whose sum is σ = 206667776. Its totient is φ = 100835280.

The previous prime is 153121231. The next prime is 153121259. The reversal of 153121233 is 332121351.

It is not a de Polignac number, because 153121233 - 2¹ = 153121231 is a prime.

It is a super-3 number, since 3×153121233³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (153121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102510 + ... + 103992.

It is an arithmetic number, because the mean of its divisors is an integer number (12916736).

Almost surely, 2^153121233 is an apocalyptic number.

It is an amenable number.

153121233 is a deficient number, since it is larger than the sum of its proper divisors (53546543).

153121233 is a wasteful number, since it uses less digits than its factorization.

153121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its digits is 540, while the sum is 21.

The square root of 153121233 is about 12374.2164600430. The cubic root of 153121233 is about 534.9893531523.

Adding to 153121233 its reverse (332121351), we get a palindrome (485242584).

The spelling of 153121233 in words is "one hundred fifty-three million, one hundred twenty-one thousand, two hundred thirty-three".