133213231323 has 12 divisors (see below), whose sum is σ = 197112261528. Its totient is φ = 86642751840.

The previous prime is 133213231303. The next prime is 133213231331. The reversal of 133213231323 is 323132312331.

133213231323 is a `hidden beast` number, since 1 + 3 + 321 + 3 + 2 + 313 + 23 = 666.

It is not a de Polignac number, because 133213231323 - 2²¹ = 133211134171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133213231303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180505365 + ... + 180506102.

It is an arithmetic number, because the mean of its divisors is an integer number (16426021794).

Almost surely, 2^133213231323 is an apocalyptic number.

133213231323 is a deficient number, since it is larger than the sum of its proper divisors (63899030205).

133213231323 is a wasteful number, since it uses less digits than its factorization.

133213231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361011514 (or 361011511 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 133213231323 its reverse (323132312331), we get a palindrome (456345543654).

The spelling of 133213231323 in words is "one hundred thirty-three billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred twenty-three".