2240121023 has 4 divisors (see below), whose sum is σ = 2560138320. Its totient is φ = 1920103728.

The previous prime is 2240121019. The next prime is 2240121029. The reversal of 2240121023 is 3201210422.

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 2240121023 - 2² = 2240121019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240120992 and 2240121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240121029) 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, 160008638 + ... + 160008651.

It is an arithmetic number, because the mean of its divisors is an integer number (640034580).

Almost surely, 2^2240121023 is an apocalyptic number.

2240121023 is a deficient number, since it is larger than the sum of its proper divisors (320017297).

2240121023 is an equidigital number, since it uses as much as digits as its factorization.

2240121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320017296.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2240121023 is about 47329.9167863203. The cubic root of 2240121023 is about 1308.4500875950.

Adding to 2240121023 its reverse (3201210422), we get a palindrome (5441331445).

The spelling of 2240121023 in words is "two billion, two hundred forty million, one hundred twenty-one thousand, twenty-three".