143453212121 has 8 divisors (see below), whose sum is σ = 151014970080. Its totient is φ = 135892613088.

The previous prime is 143453212093. The next prime is 143453212151. The reversal of 143453212121 is 121212354341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143453212121 - 2⁶ = 143453212057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143453212151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29651 + ... + 536456.

It is an arithmetic number, because the mean of its divisors is an integer number (18876871260).

Almost surely, 2^143453212121 is an apocalyptic number.

It is an amenable number.

143453212121 is a deficient number, since it is larger than the sum of its proper divisors (7561757959).

143453212121 is a wasteful number, since it uses less digits than its factorization.

143453212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579463.

The product of its digits is 5760, while the sum is 29.

Adding to 143453212121 its reverse (121212354341), we get a palindrome (264665566462).

The spelling of 143453212121 in words is "one hundred forty-three billion, four hundred fifty-three million, two hundred twelve thousand, one hundred twenty-one".