1231483238 has 4 divisors (see below), whose sum is σ = 1847224860. Its totient is φ = 615741618.

The previous prime is 1231483229. The next prime is 1231483241. The reversal of 1231483238 is 8323841321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8323841321 = 21169 ⋅393209.

It is a junction number, because it is equal to n+sod(n) for n = 1231483198 and 1231483207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307870808 + ... + 307870811.

It is an arithmetic number, because the mean of its divisors is an integer number (461806215).

Almost surely, 2^1231483238 is an apocalyptic number.

1231483238 is a deficient number, since it is larger than the sum of its proper divisors (615741622).

1231483238 is an equidigital number, since it uses as much as digits as its factorization.

1231483238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615741621.

The product of its digits is 27648, while the sum is 35.

The square root of 1231483238 is about 35092.4954655550. The cubic root of 1231483238 is about 1071.8717748494.

The spelling of 1231483238 in words is "one billion, two hundred thirty-one million, four hundred eighty-three thousand, two hundred thirty-eight".