233172106 has 4 divisors (see below), whose sum is σ = 349758162. Its totient is φ = 116586052.

The previous prime is 233172097. The next prime is 233172109. The reversal of 233172106 is 601271332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 166177881 + 66994225 = 12891^2 + 8185^2 .

It is not an unprimeable number, because it can be changed into a prime (233172109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58293025 + ... + 58293028.

Almost surely, 2^233172106 is an apocalyptic number.

233172106 is a deficient number, since it is larger than the sum of its proper divisors (116586056).

233172106 is a wasteful number, since it uses less digits than its factorization.

233172106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116586055.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 233172106 is about 15269.9740012876. The cubic root of 233172106 is about 615.4964207441.

The spelling of 233172106 in words is "two hundred thirty-three million, one hundred seventy-two thousand, one hundred six".