20003513142323 has 8 divisors (see below), whose sum is σ = 20006155907616. Its totient is φ = 20000870568000.

The previous prime is 20003513142269. The next prime is 20003513142397. The reversal of 20003513142323 is 32324131530002.

It is a happy number.

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 20003513142323 - 2³⁰ = 20002439400499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003813142323) 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, 383175623 + ... + 383227823.

It is an arithmetic number, because the mean of its divisors is an integer number (2500769488452).

Almost surely, 2^{20003513142323} is an apocalyptic number.

20003513142323 is a deficient number, since it is larger than the sum of its proper divisors (2642765293).

20003513142323 is a wasteful number, since it uses less digits than its factorization.

20003513142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95485.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20003513142323 its reverse (32324131530002), we get a palindrome (52327644672325).

The spelling of 20003513142323 in words is "twenty trillion, three billion, five hundred thirteen million, one hundred forty-two thousand, three hundred twenty-three".