20123243334 has 24 divisors (see below), whose sum is σ = 43672930392. Its totient is φ = 6696583200.

The previous prime is 20123243303. The next prime is 20123243351. The reversal of 20123243334 is 43334232102.

20123243334 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 324 + 3 + 334 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20123243298 and 20123243307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919264 + ... + 940899.

It is an arithmetic number, because the mean of its divisors is an integer number (1819705433).

Almost surely, 2^20123243334 is an apocalyptic number.

20123243334 is an abundant number, since it is smaller than the sum of its proper divisors (23549687058).

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

20123243334 is a wasteful number, since it uses less digits than its factorization.

20123243334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860772 (or 1860769 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20123243334 its reverse (43334232102), we get a palindrome (63457475436).

The spelling of 20123243334 in words is "twenty billion, one hundred twenty-three million, two hundred forty-three thousand, three hundred thirty-four".