1423123112043 has 16 divisors (see below), whose sum is σ = 2108480934400. Its totient is φ = 948681062280.

The previous prime is 1423123112027. The next prime is 1423123112057. The reversal of 1423123112043 is 3402113213241.

1423123112043 is a `hidden beast` number, since 1 + 423 + 1 + 2 + 31 + 1 + 204 + 3 = 666.

It is not a de Polignac number, because 1423123112043 - 2⁴ = 1423123112027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423123111998 and 1423123112016.

It is not an unprimeable number, because it can be changed into a prime (1423123112093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493023 + ... + 2252856.

It is an arithmetic number, because the mean of its divisors is an integer number (131780058400).

Almost surely, 2^{1423123112043} is an apocalyptic number.

1423123112043 is a deficient number, since it is larger than the sum of its proper divisors (685357822357).

1423123112043 is a wasteful number, since it uses less digits than its factorization.

1423123112043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759959 (or 3759953 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1423123112043 its reverse (3402113213241), we get a palindrome (4825236325284).

The spelling of 1423123112043 in words is "one trillion, four hundred twenty-three billion, one hundred twenty-three million, one hundred twelve thousand, forty-three".