20012031323 has 8 divisors (see below), whose sum is σ = 20042161776. Its totient is φ = 19981922400.

The previous prime is 20012031301. The next prime is 20012031331. The reversal of 20012031323 is 32313021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012031323 - 2¹² = 20012027227 is a prime.

It is a super-3 number, since 3×20012031323³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012031343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968865 + ... + 2975597.

It is an arithmetic number, because the mean of its divisors is an integer number (2505270222).

Almost surely, 2^20012031323 is an apocalyptic number.

20012031323 is a deficient number, since it is larger than the sum of its proper divisors (30130453).

20012031323 is an equidigital number, since it uses as much as digits as its factorization.

20012031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10765.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20012031323 its reverse (32313021002), we get a palindrome (52325052325).

The spelling of 20012031323 in words is "twenty billion, twelve million, thirty-one thousand, three hundred twenty-three".