20123442334 has 8 divisors (see below), whose sum is σ = 31960761408. Its totient is φ = 9469855200.

The previous prime is 20123442329. The next prime is 20123442343. The reversal of 20123442334 is 43324432102.

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

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, 295932942 + ... + 295933009.

It is an arithmetic number, because the mean of its divisors is an integer number (3995095176).

Almost surely, 2^20123442334 is an apocalyptic number.

20123442334 is a deficient number, since it is larger than the sum of its proper divisors (11837319074).

20123442334 is a wasteful number, since it uses less digits than its factorization.

20123442334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591865970.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20123442334 its reverse (43324432102), we get a palindrome (63447874436).

The spelling of 20123442334 in words is "twenty billion, one hundred twenty-three million, four hundred forty-two thousand, three hundred thirty-four".