2240403123 has 32 divisors (see below), whose sum is σ = 3618100224. Its totient is φ = 1203812352.

The previous prime is 2240403101. The next prime is 2240403127. The reversal of 2240403123 is 3213040422.

2240403123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2240403123 - 2¹³ = 2240394931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2240403123.

It is not an unprimeable number, because it can be changed into a prime (2240403127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514411 + ... + 518747.

It is an arithmetic number, because the mean of its divisors is an integer number (113065632).

Almost surely, 2^2240403123 is an apocalyptic number.

2240403123 is a deficient number, since it is larger than the sum of its proper divisors (1377697101).

2240403123 is a wasteful number, since it uses less digits than its factorization.

2240403123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2240403123 is about 47332.8968371892. The cubic root of 2240403123 is about 1308.5050099664.

Adding to 2240403123 its reverse (3213040422), we get a palindrome (5453443545).

The spelling of 2240403123 in words is "two billion, two hundred forty million, four hundred three thousand, one hundred twenty-three".