20242434123 has 12 divisors (see below), whose sum is σ = 30959017128. Its totient is φ = 12701135040.

The previous prime is 20242434119. The next prime is 20242434127. The reversal of 20242434123 is 32143424202.

20242434123 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 243 + 412 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20242434119) and next prime (20242434127).

It is not a de Polignac number, because 20242434123 - 2² = 20242434119 is a prime.

It is a super-2 number, since 2×20242434123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20242434127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66151593 + ... + 66151898.

It is an arithmetic number, because the mean of its divisors is an integer number (2579918094).

Almost surely, 2^20242434123 is an apocalyptic number.

20242434123 is a deficient number, since it is larger than the sum of its proper divisors (10716583005).

20242434123 is a wasteful number, since it uses less digits than its factorization.

20242434123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132303514 (or 132303511 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20242434123 its reverse (32143424202), we get a palindrome (52385858325).

The spelling of 20242434123 in words is "twenty billion, two hundred forty-two million, four hundred thirty-four thousand, one hundred twenty-three".