233172369 has 6 divisors (see below), whose sum is σ = 336804546. Its totient is φ = 155448240.

The previous prime is 233172353. The next prime is 233172397. The reversal of 233172369 is 963271332.

It can be written as a sum of positive squares in only one way, i.e., 190440000 + 42732369 = 13800^2 + 6537^2 .

It is not a de Polignac number, because 233172369 - 2⁴ = 233172353 is a prime.

It is a super-2 number, since 2×233172369² = 108738707330144322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233172319) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12954012 + ... + 12954029.

It is an arithmetic number, because the mean of its divisors is an integer number (56134091).

Almost surely, 2^233172369 is an apocalyptic number.

It is an amenable number.

233172369 is a deficient number, since it is larger than the sum of its proper divisors (103632177).

233172369 is a wasteful number, since it uses less digits than its factorization.

233172369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25908047 (or 25908044 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 233172369 is about 15269.9826129567. The cubic root of 233172369 is about 615.4966521547.

The spelling of 233172369 in words is "two hundred thirty-three million, one hundred seventy-two thousand, three hundred sixty-nine".