238966623 has 12 divisors (see below), whose sum is σ = 394484688. Its totient is φ = 136552320.

The previous prime is 238966621. The next prime is 238966627. The reversal of 238966623 is 326669832.

It is not a de Polignac number, because 238966623 - 2¹ = 238966621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238966621) 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 11 ways as a sum of consecutive naturals, for example, 1896498 + ... + 1896623.

It is an arithmetic number, because the mean of its divisors is an integer number (32873724).

Almost surely, 2^238966623 is an apocalyptic number.

238966623 is a deficient number, since it is larger than the sum of its proper divisors (155518065).

238966623 is a wasteful number, since it uses less digits than its factorization.

238966623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793134 (or 3793131 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 238966623 is about 15458.5453067228. The cubic root of 238966623 is about 620.5532894816.

The spelling of 238966623 in words is "two hundred thirty-eight million, nine hundred sixty-six thousand, six hundred twenty-three".