1423044121121 has 32 divisors (see below), whose sum is σ = 1797217320960. Its totient is φ = 1097878231296.

The previous prime is 1423044121067. The next prime is 1423044121157. The reversal of 1423044121121 is 1211214403241.

It is a de Polignac number, because none of the positive numbers 2^k-1423044121121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423044121721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15058400 + ... + 15152606.

It is an arithmetic number, because the mean of its divisors is an integer number (56163041280).

Almost surely, 2^{1423044121121} is an apocalyptic number.

It is an amenable number.

1423044121121 is a deficient number, since it is larger than the sum of its proper divisors (374173199839).

1423044121121 is a wasteful number, since it uses less digits than its factorization.

1423044121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99773.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1423044121121 its reverse (1211214403241), we get a palindrome (2634258524362).

The spelling of 1423044121121 in words is "one trillion, four hundred twenty-three billion, forty-four million, one hundred twenty-one thousand, one hundred twenty-one".