2240000123 has 4 divisors (see below), whose sum is σ = 2251370880. Its totient is φ = 2228629368.

The previous prime is 2240000101. The next prime is 2240000129. The reversal of 2240000123 is 3210000422.

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 2240000123 - 2²⁸ = 1971564667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240000098 and 2240000107.

It is not an unprimeable number, because it can be changed into a prime (2240000129) 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, 5685083 + ... + 5685476.

It is an arithmetic number, because the mean of its divisors is an integer number (562842720).

Almost surely, 2^2240000123 is an apocalyptic number.

2240000123 is a deficient number, since it is larger than the sum of its proper divisors (11370757).

2240000123 is a wasteful number, since it uses less digits than its factorization.

2240000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11370756.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2240000123 is about 47328.6395642216. The cubic root of 2240000123 is about 1308.4265480243.

Adding to 2240000123 its reverse (3210000422), we get a palindrome (5450000545).

The spelling of 2240000123 in words is "two billion, two hundred forty million, one hundred twenty-three", and thus it is an aban number.