20423510001354 has 32 divisors (see below), whose sum is σ = 40972136785920. Its totient is φ = 6786985590000.

The previous prime is 20423510001347. The next prime is 20423510001373. The reversal of 20423510001354 is 45310001532402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50319729 + ... + 50723979.

It is an arithmetic number, because the mean of its divisors is an integer number (1280379274560).

Almost surely, 2^{20423510001354} is an apocalyptic number.

20423510001354 is an abundant number, since it is smaller than the sum of its proper divisors (20548626784566).

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

20423510001354 is a wasteful number, since it uses less digits than its factorization.

20423510001354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430026.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20423510001354 its reverse (45310001532402), we get a palindrome (65733511533756).

The spelling of 20423510001354 in words is "twenty trillion, four hundred twenty-three billion, five hundred ten million, one thousand, three hundred fifty-four".