123421333053 has 8 divisors (see below), whose sum is σ = 164569302400. Its totient is φ = 82277126208.

The previous prime is 123421333043. The next prime is 123421333067. The reversal of 123421333053 is 350333124321.

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

It is not a de Polignac number, because 123421333053 - 2¹² = 123421328957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123421333053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123421333003) 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, 863173 + ... + 995946.

It is an arithmetic number, because the mean of its divisors is an integer number (20571162800).

Almost surely, 2^123421333053 is an apocalyptic number.

It is an amenable number.

123421333053 is a deficient number, since it is larger than the sum of its proper divisors (41147969347).

123421333053 is a wasteful number, since it uses less digits than its factorization.

123421333053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881251.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 123421333053 its reverse (350333124321), we get a palindrome (473754457374).

The spelling of 123421333053 in words is "one hundred twenty-three billion, four hundred twenty-one million, three hundred thirty-three thousand, fifty-three".