523312520031400 has 48 divisors (see below), whose sum is σ = 1327310846267040. Its totient is φ = 190295461828800.

The previous prime is 523312520031349. The next prime is 523312520031407. The reversal of 523312520031400 is 4130025213325.

It is a super-2 number, since 2×523312520031400² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523312520031407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118934661444 + ... + 118934665843.

It is an arithmetic number, because the mean of its divisors is an integer number (27652309297230).

Almost surely, 2^{523312520031400} is an apocalyptic number.

523312520031400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

523312520031400 is an abundant number, since it is smaller than the sum of its proper divisors (803998326235640).

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

523312520031400 is a wasteful number, since it uses less digits than its factorization.

523312520031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237869327314 (or 237869327305 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 523312520031400 its reverse (4130025213325), we get a palindrome (527442545244725).

The spelling of 523312520031400 in words is "five hundred twenty-three trillion, three hundred twelve billion, five hundred twenty million, thirty-one thousand, four hundred".