20453123550134 has 8 divisors (see below), whose sum is σ = 33468747627528. Its totient is φ = 9296874340960.

The previous prime is 20453123550133. The next prime is 20453123550179. The reversal of 20453123550134 is 43105532135402.

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

It is a super-2 number, since 2×20453123550134² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453123550133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464843717027 + ... + 464843717070.

It is an arithmetic number, because the mean of its divisors is an integer number (4183593453441).

Almost surely, 2^{20453123550134} is an apocalyptic number.

20453123550134 is a deficient number, since it is larger than the sum of its proper divisors (13015624077394).

20453123550134 is a wasteful number, since it uses less digits than its factorization.

20453123550134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929687434110.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 20453123550134 its reverse (43105532135402), we get a palindrome (63558655685536).

The spelling of 20453123550134 in words is "twenty trillion, four hundred fifty-three billion, one hundred twenty-three million, five hundred fifty thousand, one hundred thirty-four".