1423204545043 has 4 divisors (see below), whose sum is σ = 1423222675920. Its totient is φ = 1423186414168.

The previous prime is 1423204545019. The next prime is 1423204545071. The reversal of 1423204545043 is 3405454023241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423204545043 - 2¹⁷ = 1423204413971 is a prime.

It is a super-2 number, since 2×1423204545043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423204544993 and 1423204545011.

It is not an unprimeable number, because it can be changed into a prime (1423204545443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8947180 + ... + 9104857.

It is an arithmetic number, because the mean of its divisors is an integer number (355805668980).

Almost surely, 2^{1423204545043} is an apocalyptic number.

1423204545043 is a deficient number, since it is larger than the sum of its proper divisors (18130877).

1423204545043 is an equidigital number, since it uses as much as digits as its factorization.

1423204545043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18130876.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 1423204545043 its reverse (3405454023241), we get a palindrome (4828658568284).

The spelling of 1423204545043 in words is "one trillion, four hundred twenty-three billion, two hundred four million, five hundred forty-five thousand, forty-three".