523873107290 has 32 divisors (see below), whose sum is σ = 1015563482640. Its totient is φ = 193419477504.

The previous prime is 523873107281. The next prime is 523873107313. The reversal of 523873107290 is 92701378325.

It can be written as a sum of positive squares in 8 ways, for example, as 173464753081 + 350408354209 = 416491^2 + 591953^2 .

It is a super-2 number, since 2×523873107290² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2511272 + ... + 2711868.

Almost surely, 2^523873107290 is an apocalyptic number.

523873107290 is a deficient number, since it is larger than the sum of its proper divisors (491690375350).

523873107290 is a wasteful number, since it uses less digits than its factorization.

523873107290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220706.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 523873107290 in words is "five hundred twenty-three billion, eight hundred seventy-three million, one hundred seven thousand, two hundred ninety".