1238023838 has 8 divisors (see below), whose sum is σ = 1857551832. Its totient is φ = 618839896.

The previous prime is 1238023799. The next prime is 1238023849. The reversal of 1238023838 is 8383208321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76820 + ... + 91527.

It is an arithmetic number, because the mean of its divisors is an integer number (232193979).

Almost surely, 2^1238023838 is an apocalyptic number.

1238023838 is a deficient number, since it is larger than the sum of its proper divisors (619527994).

1238023838 is a wasteful number, since it uses less digits than its factorization.

1238023838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172026.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1238023838 is about 35185.5629200387. The cubic root of 1238023838 is about 1073.7660513863.

The spelling of 1238023838 in words is "one billion, two hundred thirty-eight million, twenty-three thousand, eight hundred thirty-eight".