2240023123 has 16 divisors (see below), whose sum is σ = 2476416096. Its totient is φ = 2013096960.

The previous prime is 2240023109. The next prime is 2240023213. The reversal of 2240023123 is 3213200422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240023123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2240023123.

It is not an unprimeable number, because it can be changed into a prime (2240026123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170883 + ... + 183523.

It is an arithmetic number, because the mean of its divisors is an integer number (154776006).

Almost surely, 2^2240023123 is an apocalyptic number.

2240023123 is a deficient number, since it is larger than the sum of its proper divisors (236392973).

2240023123 is a wasteful number, since it uses less digits than its factorization.

2240023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2240023123 is about 47328.8825454394. The cubic root of 2240023123 is about 1308.4310262544.

Adding to 2240023123 its reverse (3213200422), we get a palindrome (5453223545).

The spelling of 2240023123 in words is "two billion, two hundred forty million, twenty-three thousand, one hundred twenty-three".