133023143551 has 12 divisors (see below), whose sum is σ = 141133753432. Its totient is φ = 125340397776.

The previous prime is 133023143483. The next prime is 133023143563. The reversal of 133023143551 is 155341320331.

It is a happy number.

It is not a de Polignac number, because 133023143551 - 2¹⁹ = 133022619263 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 (133023143581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1841136 + ... + 1912021.

Almost surely, 2^133023143551 is an apocalyptic number.

133023143551 is a deficient number, since it is larger than the sum of its proper divisors (8110609881).

133023143551 is an equidigital number, since it uses as much as digits as its factorization.

133023143551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753270 (or 3753247 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 133023143551 its reverse (155341320331), we get a palindrome (288364463882).

The spelling of 133023143551 in words is "one hundred thirty-three billion, twenty-three million, one hundred forty-three thousand, five hundred fifty-one".