20123042402023 has 16 divisors (see below), whose sum is σ = 22016584276992. Its totient is φ = 18240266880000.

The previous prime is 20123042402011. The next prime is 20123042402059. The reversal of 20123042402023 is 32020424032102.

It is not a de Polignac number, because 20123042402023 - 2⁵ = 20123042401991 is a prime.

It is a super-3 number, since 3×20123042402023³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123042408023) 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 15 ways as a sum of consecutive naturals, for example, 3936423 + ... + 7466023.

It is an arithmetic number, because the mean of its divisors is an integer number (1376036517312).

Almost surely, 2^{20123042402023} is an apocalyptic number.

20123042402023 is a deficient number, since it is larger than the sum of its proper divisors (1893541874969).

20123042402023 is a wasteful number, since it uses less digits than its factorization.

20123042402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531126.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20123042402023 its reverse (32020424032102), we get a palindrome (52143466434125).

The spelling of 20123042402023 in words is "twenty trillion, one hundred twenty-three billion, forty-two million, four hundred two thousand, twenty-three".