2101423241 has 4 divisors (see below), whose sum is σ = 2102126484. Its totient is φ = 2100720000.

The previous prime is 2101423211. The next prime is 2101423243. The reversal of 2101423241 is 1423241012.

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 586656841 + 1514766400 = 24221^2 + 38920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101423241 - 2²² = 2097228937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101423243) 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, 347120 + ... + 353121.

It is an arithmetic number, because the mean of its divisors is an integer number (525531621).

Almost surely, 2^2101423241 is an apocalyptic number.

It is an amenable number.

2101423241 is a deficient number, since it is larger than the sum of its proper divisors (703243).

2101423241 is an equidigital number, since it uses as much as digits as its factorization.

2101423241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703242.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2101423241 is about 45841.2831517618. The cubic root of 2101423241 is about 1280.8683969219.

Adding to 2101423241 its reverse (1423241012), we get a palindrome (3524664253).

The spelling of 2101423241 in words is "two billion, one hundred one million, four hundred twenty-three thousand, two hundred forty-one".