20340124123 has 8 divisors (see below), whose sum is σ = 22206297456. Its totient is φ = 18476796000.

The previous prime is 20340124109. The next prime is 20340124141. The reversal of 20340124123 is 32142104302.

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

It is a cyclic number.

It is not a de Polignac number, because 20340124123 - 2²¹ = 20338026971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20340124094 and 20340124103.

It is not an unprimeable number, because it can be changed into a prime (20340124423) 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, 696336 + ... + 724957.

It is an arithmetic number, because the mean of its divisors is an integer number (2775787182).

Almost surely, 2^20340124123 is an apocalyptic number.

20340124123 is a deficient number, since it is larger than the sum of its proper divisors (1866173333).

20340124123 is a wasteful number, since it uses less digits than its factorization.

20340124123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422605.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20340124123 its reverse (32142104302), we get a palindrome (52482228425).

The spelling of 20340124123 in words is "twenty billion, three hundred forty million, one hundred twenty-four thousand, one hundred twenty-three".