20230100123309 has 4 divisors (see below), whose sum is σ = 20230296770460. Its totient is φ = 20229903476160.

The previous prime is 20230100123293. The next prime is 20230100123381. The reversal of 20230100123309 is 90332100103202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18768909936100 + 1461190187209 = 4332310^2 + 1208797^2 .

It is a cyclic number.

It is not a de Polignac number, because 20230100123309 - 2⁴ = 20230100123293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230100623309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98169182 + ... + 98375039.

It is an arithmetic number, because the mean of its divisors is an integer number (5057574192615).

Almost surely, 2^{20230100123309} is an apocalyptic number.

It is an amenable number.

20230100123309 is a deficient number, since it is larger than the sum of its proper divisors (196647151).

20230100123309 is a wasteful number, since it uses less digits than its factorization.

20230100123309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196647150.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 20230100123309 in words is "twenty trillion, two hundred thirty billion, one hundred million, one hundred twenty-three thousand, three hundred nine".