20012323 has 8 divisors (see below), whose sum is σ = 21277728. Its totient is φ = 18779904.

The previous prime is 20012303. The next prime is 20012341. The reversal of 20012323 is 32321002.

It is a happy number.

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 20012323 - 2⁹ = 20011811 is a prime.

It is a Duffinian number.

20012323 is a modest number, since divided by 2323 gives 2001 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20012303) 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, 6990 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (2659716).

Almost surely, 2^20012323 is an apocalyptic number.

20012323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20012323 is a deficient number, since it is larger than the sum of its proper divisors (1265405).

20012323 is a wasteful number, since it uses less digits than its factorization.

20012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16493.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20012323 is about 4473.5134961236. The cubic root of 20012323 is about 271.4974998272.

Adding to 20012323 its reverse (32321002), we get a palindrome (52333325).

The spelling of 20012323 in words is "twenty million, twelve thousand, three hundred twenty-three".