2403123140 has 24 divisors (see below), whose sum is σ = 5505337152. Its totient is φ = 873862880.

The previous prime is 2403123137. The next prime is 2403123143. The reversal of 2403123140 is 413213042.

It is an interprime number because it is at equal distance from previous prime (2403123137) and next prime (2403123143).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2403123143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5461424 + ... + 5461863.

It is an arithmetic number, because the mean of its divisors is an integer number (229389048).

Almost surely, 2^2403123140 is an apocalyptic number.

2403123140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403123140 is an abundant number, since it is smaller than the sum of its proper divisors (3102214012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2403123140 is a wasteful number, since it uses less digits than its factorization.

2403123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923307 (or 10923305 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2403123140 is about 49021.6599066168. The cubic root of 2403123140 is about 1339.4464075484.

Adding to 2403123140 its reverse (413213042), we get a palindrome (2816336182).

The spelling of 2403123140 in words is "two billion, four hundred three million, one hundred twenty-three thousand, one hundred forty".