20123244003 has 8 divisors (see below), whose sum is σ = 27091487488. Its totient is φ = 13285248264.

The previous prime is 20123243977. The next prime is 20123244049. The reversal of 20123244003 is 30044232102.

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

It is not a de Polignac number, because 20123244003 - 2¹⁷ = 20123112931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123244073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32561575 + ... + 32562192.

It is an arithmetic number, because the mean of its divisors is an integer number (3386435936).

Almost surely, 2^20123244003 is an apocalyptic number.

20123244003 is a deficient number, since it is larger than the sum of its proper divisors (6968243485).

20123244003 is a wasteful number, since it uses less digits than its factorization.

20123244003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65123873.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20123244003 its reverse (30044232102), we get a palindrome (50167476105).

The spelling of 20123244003 in words is "twenty billion, one hundred twenty-three million, two hundred forty-four thousand, three".