1423144530645 has 16 divisors (see below), whose sum is σ = 2279435739840. Its totient is φ = 758208919424.

The previous prime is 1423144530629. The next prime is 1423144530649. The reversal of 1423144530645 is 5460354413241.

It is a cyclic number.

It is not a de Polignac number, because 1423144530645 - 2⁴ = 1423144530629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423144530597 and 1423144530606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423144530649) by changing a digit.

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, 50078880 + ... + 50107289.

It is an arithmetic number, because the mean of its divisors is an integer number (142464733740).

Almost surely, 2^{1423144530645} is an apocalyptic number.

1423144530645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423144530645 is a deficient number, since it is larger than the sum of its proper divisors (856291209195).

1423144530645 is a wasteful number, since it uses less digits than its factorization.

1423144530645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100187124.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 1423144530645 its reverse (5460354413241), we get a palindrome (6883498943886).

The spelling of 1423144530645 in words is "one trillion, four hundred twenty-three billion, one hundred forty-four million, five hundred thirty thousand, six hundred forty-five".