143123613306490 has 32 divisors (see below), whose sum is σ = 259903945729296. Its totient is φ = 56742464486400.

The previous prime is 143123613306361. The next prime is 143123613306491. The reversal of 143123613306490 is 94603316321341.

It can be written as a sum of positive squares in 8 ways, for example, as 29035943027001 + 114087670279489 = 5388501^2 + 10681183^2 .

It is a super-2 number, since 2×143123613306490² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143123613306490.

It is not an unprimeable number, because it can be changed into a prime (143123613306491) 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, 261775044 + ... + 262321216.

Almost surely, 2^{143123613306490} is an apocalyptic number.

143123613306490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143123613306490 is a deficient number, since it is larger than the sum of its proper divisors (116780332422806).

143123613306490 is a wasteful number, since it uses less digits than its factorization.

143123613306490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778194.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 143123613306490 in words is "one hundred forty-three trillion, one hundred twenty-three billion, six hundred thirteen million, three hundred six thousand, four hundred ninety".