2023921907 has 4 divisors (see below), whose sum is σ = 2313053616. Its totient is φ = 1734790200.

The previous prime is 2023921903. The next prime is 2023921957. The reversal of 2023921907 is 7091293202.

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

It is a cyclic number.

It is not a de Polignac number, because 2023921907 - 2² = 2023921903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023921903) 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, 144565844 + ... + 144565857.

It is an arithmetic number, because the mean of its divisors is an integer number (578263404).

Almost surely, 2^2023921907 is an apocalyptic number.

2023921907 is a deficient number, since it is larger than the sum of its proper divisors (289131709).

2023921907 is an equidigital number, since it uses as much as digits as its factorization.

2023921907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289131708.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2023921907 is about 44988.0195941097. The cubic root of 2023921907 is about 1264.9244398618.

The spelling of 2023921907 in words is "two billion, twenty-three million, nine hundred twenty-one thousand, nine hundred seven".