10023121309 has 8 divisors (see below), whose sum is σ = 10525530240. Its totient is φ = 9526264176.

The previous prime is 10023121301. The next prime is 10023121321. The reversal of 10023121309 is 90312132001.

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 10023121309 - 2³ = 10023121301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10023121309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023121301) 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, 1384249 + ... + 1391470.

It is an arithmetic number, because the mean of its divisors is an integer number (1315691280).

Almost surely, 2^10023121309 is an apocalyptic number.

It is an amenable number.

10023121309 is a deficient number, since it is larger than the sum of its proper divisors (502408931).

10023121309 is a wasteful number, since it uses less digits than its factorization.

10023121309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775899.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 10023121309 in words is "ten billion, twenty-three million, one hundred twenty-one thousand, three hundred nine".