1423551234111 has 16 divisors (see below), whose sum is σ = 1907935440768. Its totient is φ = 944109740000.

The previous prime is 1423551234067. The next prime is 1423551234151. The reversal of 1423551234111 is 1114321553241.

It is a cyclic number.

It is not a de Polignac number, because 1423551234111 - 2⁶ = 1423551234047 is a prime.

It is a super-2 number, since 2×1423551234111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423551234151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520260 + ... + 1765721.

It is an arithmetic number, because the mean of its divisors is an integer number (119245965048).

Almost surely, 2^{1423551234111} is an apocalyptic number.

1423551234111 is a deficient number, since it is larger than the sum of its proper divisors (484384206657).

1423551234111 is a wasteful number, since it uses less digits than its factorization.

1423551234111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287062.

The product of its digits is 14400, while the sum is 33.

Adding to 1423551234111 its reverse (1114321553241), we get a palindrome (2537872787352).

The spelling of 1423551234111 in words is "one trillion, four hundred twenty-three billion, five hundred fifty-one million, two hundred thirty-four thousand, one hundred eleven".