238623433 has 4 divisors (see below), whose sum is σ = 239193360. Its totient is φ = 238053508.

The previous prime is 238623431. The next prime is 238623467. The reversal of 238623433 is 334326832.

238623433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 238623433 - 2¹ = 238623431 is a prime.

It is a super-2 number, since 2×238623433² = 113882285553410978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238623431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284335 + ... + 285172.

It is an arithmetic number, because the mean of its divisors is an integer number (59798340).

Almost surely, 2^238623433 is an apocalyptic number.

It is an amenable number.

238623433 is a deficient number, since it is larger than the sum of its proper divisors (569927).

238623433 is an equidigital number, since it uses as much as digits as its factorization.

238623433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569926.

The product of its digits is 62208, while the sum is 34.

The square root of 238623433 is about 15447.4409854836. The cubic root of 238623433 is about 620.2560796136.

The spelling of 238623433 in words is "two hundred thirty-eight million, six hundred twenty-three thousand, four hundred thirty-three".