381723124 has 6 divisors (see below), whose sum is σ = 668015474. Its totient is φ = 190861560.

The previous prime is 381723113. The next prime is 381723163. The reversal of 381723124 is 421327183.

It can be written as a sum of positive squares in only one way, i.e., 227466724 + 154256400 = 15082^2 + 12420^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47715387 + ... + 47715394.

Almost surely, 2^381723124 is an apocalyptic number.

It is an amenable number.

381723124 is a deficient number, since it is larger than the sum of its proper divisors (286292350).

381723124 is a wasteful number, since it uses less digits than its factorization.

381723124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95430785 (or 95430783 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 381723124 is about 19537.7358974882. The cubic root of 381723124 is about 725.4088056702.

The spelling of 381723124 in words is "three hundred eighty-one million, seven hundred twenty-three thousand, one hundred twenty-four".