20201404103123 has 32 divisors (see below), whose sum is σ = 22999134634560. Its totient is φ = 17646117027840.

The previous prime is 20201404103051. The next prime is 20201404103149. The reversal of 20201404103123 is 32130140410202.

It is a cyclic number.

It is not a de Polignac number, because 20201404103123 - 2¹⁶ = 20201404037587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201404103623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5157518 + ... + 8185523.

It is an arithmetic number, because the mean of its divisors is an integer number (718722957330).

Almost surely, 2^{20201404103123} is an apocalyptic number.

20201404103123 is a deficient number, since it is larger than the sum of its proper divisors (2797730531437).

20201404103123 is a wasteful number, since it uses less digits than its factorization.

20201404103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13343207.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20201404103123 its reverse (32130140410202), we get a palindrome (52331544513325).

The spelling of 20201404103123 in words is "twenty trillion, two hundred one billion, four hundred four million, one hundred three thousand, one hundred twenty-three".