20423410134 has 8 divisors (see below), whose sum is σ = 40846820280. Its totient is φ = 6807803376.

The previous prime is 20423410121. The next prime is 20423410153. The reversal of 20423410134 is 43101432402.

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

20423410134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701950839 + ... + 1701950850.

It is an arithmetic number, because the mean of its divisors is an integer number (5105852535).

Almost surely, 2^20423410134 is an apocalyptic number.

20423410134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20423410134 is a wasteful number, since it uses less digits than its factorization.

20423410134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403901694.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20423410134 its reverse (43101432402), we get a palindrome (63524842536).

The spelling of 20423410134 in words is "twenty billion, four hundred twenty-three million, four hundred ten thousand, one hundred thirty-four".