20133444233123 has 32 divisors (see below), whose sum is σ = 21812468772864. Its totient is φ = 18473403791232.

The previous prime is 20133444233117. The next prime is 20133444233131. The reversal of 20133444233123 is 32133244433102.

It is not a de Polignac number, because 20133444233123 - 2¹⁶ = 20133444167587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133444233143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4037183036 + ... + 4037188022.

It is an arithmetic number, because the mean of its divisors is an integer number (681639649152).

Almost surely, 2^{20133444233123} is an apocalyptic number.

20133444233123 is a deficient number, since it is larger than the sum of its proper divisors (1679024539741).

20133444233123 is a wasteful number, since it uses less digits than its factorization.

20133444233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 20133444233123 its reverse (32133244433102), we get a palindrome (52266688666225).

The spelling of 20133444233123 in words is "twenty trillion, one hundred thirty-three billion, four hundred forty-four million, two hundred thirty-three thousand, one hundred twenty-three".