238023087 has 16 divisors (see below), whose sum is σ = 327006720. Its totient is φ = 153921152.

The previous prime is 238023077. The next prime is 238023091. The reversal of 238023087 is 780320832.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238023087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238023047) 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 15 ways as a sum of consecutive naturals, for example, 8464 + ... + 23402.

It is an arithmetic number, because the mean of its divisors is an integer number (20437920).

Almost surely, 2^238023087 is an apocalyptic number.

238023087 is a deficient number, since it is larger than the sum of its proper divisors (88983633).

238023087 is a wasteful number, since it uses less digits than its factorization.

238023087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15102.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 238023087 is about 15427.9968563647. The cubic root of 238023087 is about 619.7354811602.

The spelling of 238023087 in words is "two hundred thirty-eight million, twenty-three thousand, eighty-seven".