20123041434 has 32 divisors (see below), whose sum is σ = 41251277376. Its totient is φ = 6542131200.

The previous prime is 20123041429. The next prime is 20123041447. The reversal of 20123041434 is 43414032102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207207 + ... + 288410.

It is an arithmetic number, because the mean of its divisors is an integer number (1289102418).

Almost surely, 2^20123041434 is an apocalyptic number.

20123041434 is an abundant number, since it is smaller than the sum of its proper divisors (21128235942).

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

20123041434 is a wasteful number, since it uses less digits than its factorization.

20123041434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495790.

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

Adding to 20123041434 its reverse (43414032102), we get a palindrome (63537073536).

The spelling of 20123041434 in words is "twenty billion, one hundred twenty-three million, forty-one thousand, four hundred thirty-four".