133454430023 has 4 divisors (see below), whose sum is σ = 133455239280. Its totient is φ = 133453620768.

The previous prime is 133454429987. The next prime is 133454430061. The reversal of 133454430023 is 320034454331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 133454430023 - 2⁸ = 133454429767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133454420023) 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, 58658 + ... + 519951.

It is an arithmetic number, because the mean of its divisors is an integer number (33363809820).

Almost surely, 2^133454430023 is an apocalyptic number.

133454430023 is a deficient number, since it is larger than the sum of its proper divisors (809257).

133454430023 is an equidigital number, since it uses as much as digits as its factorization.

133454430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809256.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 133454430023 its reverse (320034454331), we get a palindrome (453488884354).

The spelling of 133454430023 in words is "one hundred thirty-three billion, four hundred fifty-four million, four hundred thirty thousand, twenty-three".