20423355124034 has 16 divisors (see below), whose sum is σ = 31137402632256. Its totient is φ = 10044222594000.

The previous prime is 20423355124033. The next prime is 20423355124049. The reversal of 20423355124034 is 43042155332402.

It is a super-2 number, since 2×20423355124034² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20423355124033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39349109 + ... + 39864759.

It is an arithmetic number, because the mean of its divisors is an integer number (1946087664516).

Almost surely, 2^{20423355124034} is an apocalyptic number.

20423355124034 is a deficient number, since it is larger than the sum of its proper divisors (10714047508222).

20423355124034 is a wasteful number, since it uses less digits than its factorization.

20423355124034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840361.

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 20423355124034 in words is "twenty trillion, four hundred twenty-three billion, three hundred fifty-five million, one hundred twenty-four thousand, thirty-four".