20031202323 has 96 divisors (see below), whose sum is σ = 34081212672. Its totient is φ = 11202048000.

The previous prime is 20031202307. The next prime is 20031202349. The reversal of 20031202323 is 32320213002.

It is a happy number.

It is not a de Polignac number, because 20031202323 - 2⁴ = 20031202307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20031202296 and 20031202305.

It is not an unprimeable number, because it can be changed into a prime (20031202123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45216940 + ... + 45217382.

It is an arithmetic number, because the mean of its divisors is an integer number (355012632).

Almost surely, 2^20031202323 is an apocalyptic number.

20031202323 is a deficient number, since it is larger than the sum of its proper divisors (14050010349).

20031202323 is a wasteful number, since it uses less digits than its factorization.

20031202323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20031202323 its reverse (32320213002), we get a palindrome (52351415325).

The spelling of 20031202323 in words is "twenty billion, thirty-one million, two hundred two thousand, three hundred twenty-three".