1423423440105 has 16 divisors (see below), whose sum is σ = 2289277910400. Its totient is φ = 755225699328.

The previous prime is 1423423440079. The next prime is 1423423440133. The reversal of 1423423440105 is 5010443243241.

It is not a de Polignac number, because 1423423440105 - 2¹⁸ = 1423423177961 is a prime.

It is a super-2 number, since 2×1423423440105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245838805 + ... + 245844594.

It is an arithmetic number, because the mean of its divisors is an integer number (143079869400).

Almost surely, 2^{1423423440105} is an apocalyptic number.

1423423440105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423423440105 is a deficient number, since it is larger than the sum of its proper divisors (865854470295).

1423423440105 is a wasteful number, since it uses less digits than its factorization.

1423423440105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491683600.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1423423440105 its reverse (5010443243241), we get a palindrome (6433866683346).

The spelling of 1423423440105 in words is "one trillion, four hundred twenty-three billion, four hundred twenty-three million, four hundred forty thousand, one hundred five".