20123013023 has 8 divisors (see below), whose sum is σ = 20522986848. Its totient is φ = 19723790944.

The previous prime is 20123013019. The next prime is 20123013109. The reversal of 20123013023 is 32031032102.

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 20123013023 - 2² = 20123013019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20123012992 and 20123013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123013013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133715 + ... + 241092.

It is an arithmetic number, because the mean of its divisors is an integer number (2565373356).

Almost surely, 2^20123013023 is an apocalyptic number.

20123013023 is a deficient number, since it is larger than the sum of its proper divisors (399973825).

20123013023 is a wasteful number, since it uses less digits than its factorization.

20123013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375873.

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

Adding to 20123013023 its reverse (32031032102), we get a palindrome (52154045125).

The spelling of 20123013023 in words is "twenty billion, one hundred twenty-three million, thirteen thousand, twenty-three".