233268157 has 4 divisors (see below), whose sum is σ = 236553696.
Its totient is φ = 229982620.
The previous prime is 233268137. The next prime is 233268173. The reversal of 233268157 is 751862332.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-233268157 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 (233268137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642663 + ... + 1642804.
It is an arithmetic number, because the mean of its divisors is an integer number (59138424).
Almost surely, 2233268157 is an apocalyptic number.
It is an amenable number.
233268157 is a deficient number, since it is larger than the sum of its proper divisors (3285539).
233268157 is an equidigital number, since it uses as much as digits as its factorization.
233268157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3285538.
The product of its digits is 60480, while the sum is 37.
The square root of 233268157 is about 15273.1187712268.
The cubic root of 233268157 is about 615.5809233202.
The spelling of 233268157 in words is "two hundred thirty-three million, two hundred sixty-eight thousand, one hundred fifty-seven".