230412388138 has 4 divisors (see below), whose sum is σ = 345618582210. Its totient is φ = 115206194068.

The previous prime is 230412388121. The next prime is 230412388163. The reversal of 230412388138 is 831883214032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 119478761649 + 110933626489 = 345657^2 + 333067^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230412388094 and 230412388103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57603097033 + ... + 57603097036.

Almost surely, 2^230412388138 is an apocalyptic number.

230412388138 is a deficient number, since it is larger than the sum of its proper divisors (115206194072).

230412388138 is a wasteful number, since it uses less digits than its factorization.

230412388138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115206194071.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 230412388138 in words is "two hundred thirty billion, four hundred twelve million, three hundred eighty-eight thousand, one hundred thirty-eight".