2123240241 has 4 divisors (see below), whose sum is σ = 2830986992. Its totient is φ = 1415493492.

The previous prime is 2123240233. The next prime is 2123240263. The reversal of 2123240241 is 1420423212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2123240241 - 2³ = 2123240233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123240201) 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, 353873371 + ... + 353873376.

It is an arithmetic number, because the mean of its divisors is an integer number (707746748).

Almost surely, 2^2123240241 is an apocalyptic number.

It is an amenable number.

2123240241 is a deficient number, since it is larger than the sum of its proper divisors (707746751).

2123240241 is an equidigital number, since it uses as much as digits as its factorization.

2123240241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707746750.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2123240241 is about 46078.6310669056. The cubic root of 2123240241 is about 1285.2858082284.

Adding to 2123240241 its reverse (1420423212), we get a palindrome (3543663453).

The spelling of 2123240241 in words is "two billion, one hundred twenty-three million, two hundred forty thousand, two hundred forty-one".