143630123426021 has 16 divisors (see below), whose sum is σ = 146749959602688. Its totient is φ = 140539132998000.

The previous prime is 143630123426017. The next prime is 143630123426033. The reversal of 143630123426021 is 120624321036341.

It is a cyclic number.

It is not a de Polignac number, because 143630123426021 - 2² = 143630123426017 is a prime.

It is a super-2 number, since 2×143630123426021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143630123426071) by changing a digit.

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, 139943006 + ... + 140965616.

It is an arithmetic number, because the mean of its divisors is an integer number (9171872475168).

Almost surely, 2^{143630123426021} is an apocalyptic number.

It is an amenable number.

143630123426021 is a deficient number, since it is larger than the sum of its proper divisors (3119836176667).

143630123426021 is a wasteful number, since it uses less digits than its factorization.

143630123426021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036712.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 143630123426021 in words is "one hundred forty-three trillion, six hundred thirty billion, one hundred twenty-three million, four hundred twenty-six thousand, twenty-one".