20123022403 has 8 divisors (see below), whose sum is σ = 21961344960. Its totient is φ = 18286192680.

The previous prime is 20123022397. The next prime is 20123022407. The reversal of 20123022403 is 30422032102.

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 20123022403 - 2²⁹ = 19586151491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123022407) 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, 344925 + ... + 399022.

It is an arithmetic number, because the mean of its divisors is an integer number (2745168120).

Almost surely, 2^20123022403 is an apocalyptic number.

20123022403 is a deficient number, since it is larger than the sum of its proper divisors (1838322557).

20123022403 is a wasteful number, since it uses less digits than its factorization.

20123022403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746417.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20123022403 its reverse (30422032102), we get a palindrome (50545054505).

The spelling of 20123022403 in words is "twenty billion, one hundred twenty-three million, twenty-two thousand, four hundred three".