20423410023 has 24 divisors (see below), whose sum is σ = 29086259328. Its totient is φ = 12743530128.

The previous prime is 20423410019. The next prime is 20423410039. The reversal of 20423410023 is 32001432402.

It is not a de Polignac number, because 20423410023 - 2² = 20423410019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423414023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23715 + ... + 203492.

It is an arithmetic number, because the mean of its divisors is an integer number (1211927472).

Almost surely, 2^20423410023 is an apocalyptic number.

20423410023 is a deficient number, since it is larger than the sum of its proper divisors (8662849305).

20423410023 is a wasteful number, since it uses less digits than its factorization.

20423410023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227331 (or 227312 counting only the distinct ones).

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

Adding to 20423410023 its reverse (32001432402), we get a palindrome (52424842425).

The spelling of 20423410023 in words is "twenty billion, four hundred twenty-three million, four hundred ten thousand, twenty-three".