238878723 has 8 divisors (see below), whose sum is σ = 321324048. Its totient is φ = 157842944.

The previous prime is 238878721. The next prime is 238878727. The reversal of 238878723 is 327878832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238878723 - 2¹ = 238878721 is a prime.

It is a super-2 number, since 2×238878723² = 114126088604221458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238878721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351990 + ... + 352667.

It is an arithmetic number, because the mean of its divisors is an integer number (40165506).

Almost surely, 2^238878723 is an apocalyptic number.

238878723 is a deficient number, since it is larger than the sum of its proper divisors (82445325).

238878723 is a wasteful number, since it uses less digits than its factorization.

238878723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704773.

The product of its digits is 903168, while the sum is 48.

The square root of 238878723 is about 15455.7019575301. The cubic root of 238878723 is about 620.4771933266.

The spelling of 238878723 in words is "two hundred thirty-eight million, eight hundred seventy-eight thousand, seven hundred twenty-three".