523010040 has 128 divisors (see below), whose sum is σ = 1820136960. Its totient is φ = 117748224.

The previous prime is 523010023. The next prime is 523010053. The reversal of 523010040 is 40010325.

523010040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51634 + ... + 60926.

It is an arithmetic number, because the mean of its divisors is an integer number (14219820).

Almost surely, 2^523010040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523010040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910068480).

523010040 is an abundant number, since it is smaller than the sum of its proper divisors (1297126920).

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

523010040 is a wasteful number, since it uses less digits than its factorization.

523010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9381 (or 9377 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 523010040 is about 22869.4127602787. The cubic root of 523010040 is about 805.6937758401.

Adding to 523010040 its reverse (40010325), we get a palindrome (563020365).

The spelling of 523010040 in words is "five hundred twenty-three million, ten thousand, forty".