523442000 has 40 divisors (see below), whose sum is σ = 1265687592. Its totient is φ = 209376000.

The previous prime is 523441993. The next prime is 523442011. The reversal of 523442000 is 244325.

It can be written as a sum of positive squares in 4 ways, for example, as 63425296 + 460016704 = 7964^2 + 21448^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 128861 + ... + 132860.

Almost surely, 2^523442000 is an apocalyptic number.

523442000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

523442000 is an abundant number, since it is smaller than the sum of its proper divisors (742245592).

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

523442000 is a wasteful number, since it uses less digits than its factorization.

523442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261744 (or 261728 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 523442000 is about 22878.8548664482. The cubic root of 523442000 is about 805.9155253844.

Adding to 523442000 its reverse (244325), we get a palindrome (523686325).

The spelling of 523442000 in words is "five hundred twenty-three million, four hundred forty-two thousand".