523018944 has 420 divisors, whose sum is σ = 1891985040. Its totient is φ = 142248960.

The previous prime is 523018943. The next prime is 523018987. The reversal of 523018944 is 449810325.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 523018899 and 523018908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523018943) by changing a digit.

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 in 59 ways as a sum of consecutive naturals, for example, 7366429 + ... + 7366499.

Almost surely, 2^523018944 is an apocalyptic number.

523018944 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523018944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945992520).

523018944 is an abundant number, since it is smaller than the sum of its proper divisors (1368966096).

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

523018944 is a wasteful number, since it uses less digits than its factorization.

523018944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 523018944 is about 22869.6074299495. The cubic root of 523018944 is about 805.6983480001.

The spelling of 523018944 in words is "five hundred twenty-three million, eighteen thousand, nine hundred forty-four".