20423541134 has 8 divisors (see below), whose sum is σ = 30702348768. Its totient is φ = 10189424880.

The previous prime is 20423541097. The next prime is 20423541143. The reversal of 20423541134 is 43114532402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20423541097 and 20423541106.

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, 11171702 + ... + 11173529.

It is an arithmetic number, because the mean of its divisors is an integer number (3837793596).

Almost surely, 2^20423541134 is an apocalyptic number.

20423541134 is a deficient number, since it is larger than the sum of its proper divisors (10278807634).

20423541134 is a wasteful number, since it uses less digits than its factorization.

20423541134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345690.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 20423541134 in words is "twenty billion, four hundred twenty-three million, five hundred forty-one thousand, one hundred thirty-four".