423133021403 has 4 divisors (see below), whose sum is σ = 425348377728. Its totient is φ = 420917665080.

The previous prime is 423133021373. The next prime is 423133021411. The reversal of 423133021403 is 304120331324.

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 423133021403 - 2⁸ = 423133021147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423133021453) 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 3 ways as a sum of consecutive naturals, for example, 1107677876 + ... + 1107678257.

It is an arithmetic number, because the mean of its divisors is an integer number (106337094432).

Almost surely, 2^423133021403 is an apocalyptic number.

423133021403 is a deficient number, since it is larger than the sum of its proper divisors (2215356325).

423133021403 is a wasteful number, since it uses less digits than its factorization.

423133021403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215356324.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 423133021403 its reverse (304120331324), we get a palindrome (727253352727).

The spelling of 423133021403 in words is "four hundred twenty-three billion, one hundred thirty-three million, twenty-one thousand, four hundred three".