20010123353 has 16 divisors (see below), whose sum is σ = 23044056000. Its totient is φ = 17184156480.

The previous prime is 20010123311. The next prime is 20010123373. The reversal of 20010123353 is 35332101002.

It is a cyclic number.

It is not a de Polignac number, because 20010123353 - 2¹⁴ = 20010106969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010123373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64226 + ... + 210107.

It is an arithmetic number, because the mean of its divisors is an integer number (1440253500).

Almost surely, 2^20010123353 is an apocalyptic number.

It is an amenable number.

20010123353 is a deficient number, since it is larger than the sum of its proper divisors (3033932647).

20010123353 is a wasteful number, since it uses less digits than its factorization.

20010123353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274712.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 20010123353 its reverse (35332101002), we get a palindrome (55342224355).

The spelling of 20010123353 in words is "twenty billion, ten million, one hundred twenty-three thousand, three hundred fifty-three".