1421033330123 has 4 divisors (see below), whose sum is σ = 1550218178328. Its totient is φ = 1291848481920.

The previous prime is 1421033330107. The next prime is 1421033330137. The reversal of 1421033330123 is 3210333301241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1421033330123 - 2⁴ = 1421033330107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421033330092 and 1421033330101.

It is not an unprimeable number, because it can be changed into a prime (1421033330173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64592424086 + ... + 64592424107.

It is an arithmetic number, because the mean of its divisors is an integer number (387554544582).

Almost surely, 2^{1421033330123} is an apocalyptic number.

1421033330123 is a deficient number, since it is larger than the sum of its proper divisors (129184848205).

1421033330123 is a wasteful number, since it uses less digits than its factorization.

1421033330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129184848204.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1421033330123 its reverse (3210333301241), we get a palindrome (4631366631364).

It can be divided in two parts, 14210 and 33330123, that added together give a palindrome (33344333).

The spelling of 1421033330123 in words is "one trillion, four hundred twenty-one billion, thirty-three million, three hundred thirty thousand, one hundred twenty-three".