523312216541400 has 192 divisors, whose sum is σ = 1905881135800320. Its totient is φ = 117104831654400.

The previous prime is 523312216541371. The next prime is 523312216541407. The reversal of 523312216541400 is 4145612213325.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523312216541407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3049519192 + ... + 3049690791.

It is an arithmetic number, because the mean of its divisors is an integer number (9926464248960).

Almost surely, 2^{523312216541400} is an apocalyptic number.

523312216541400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

523312216541400 is an abundant number, since it is smaller than the sum of its proper divisors (1382568919258920).

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

523312216541400 is a wasteful number, since it uses less digits than its factorization.

523312216541400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099210026 (or 6099210017 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 523312216541400 its reverse (4145612213325), we get a palindrome (527457828754725).

The spelling of 523312216541400 in words is "five hundred twenty-three trillion, three hundred twelve billion, two hundred sixteen million, five hundred forty-one thousand, four hundred".