523401102040 has 64 divisors (see below), whose sum is σ = 1256744678400. Its totient is φ = 195493552128.

The previous prime is 523401102031. The next prime is 523401102041. The reversal of 523401102040 is 40201104325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523401102041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2943985 + ... + 3116704.

It is an arithmetic number, because the mean of its divisors is an integer number (19636635600).

Almost surely, 2^523401102040 is an apocalyptic number.

It is an amenable number.

523401102040 is an abundant number, since it is smaller than the sum of its proper divisors (733343576360).

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

523401102040 is a wasteful number, since it uses less digits than its factorization.

523401102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060844 (or 6060840 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 523401102040 its reverse (40201104325), we get a palindrome (563602206365).

The spelling of 523401102040 in words is "five hundred twenty-three billion, four hundred one million, one hundred two thousand, forty".