20123132333 has 4 divisors (see below), whose sum is σ = 20123426208. Its totient is φ = 20122838460.

The previous prime is 20123132287. The next prime is 20123132357. The reversal of 20123132333 is 33323132102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 20123132333 - 2²² = 20118938029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20123132299 and 20123132308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123132363) 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, 16010 + ... + 201252.

It is an arithmetic number, because the mean of its divisors is an integer number (5030856552).

Almost surely, 2^20123132333 is an apocalyptic number.

It is an amenable number.

20123132333 is a deficient number, since it is larger than the sum of its proper divisors (293875).

20123132333 is a wasteful number, since it uses less digits than its factorization.

20123132333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293874.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20123132333 its reverse (33323132102), we get a palindrome (53446264435).

The spelling of 20123132333 in words is "twenty billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred thirty-three".