523650380 has 24 divisors (see below), whose sum is σ = 1199635920. Its totient is φ = 190418240.

The previous prime is 523650367. The next prime is 523650397. The reversal of 523650380 is 83056325.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189895 + ... + 1190334.

It is an arithmetic number, because the mean of its divisors is an integer number (49984830).

Almost surely, 2^523650380 is an apocalyptic number.

It is an amenable number.

523650380 is an abundant number, since it is smaller than the sum of its proper divisors (675985540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523650380 is a wasteful number, since it uses less digits than its factorization.

523650380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380249 (or 2380247 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 523650380 is about 22883.4083999740. The cubic root of 523650380 is about 806.0224550265.

The spelling of 523650380 in words is "five hundred twenty-three million, six hundred fifty thousand, three hundred eighty".