2403123340 has 24 divisors (see below), whose sum is σ = 5060325312. Its totient is φ = 958627200.

The previous prime is 2403123311. The next prime is 2403123347. The reversal of 2403123340 is 433213042.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2403123347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156361 + ... + 171040.

It is an arithmetic number, because the mean of its divisors is an integer number (210846888).

Almost surely, 2^2403123340 is an apocalyptic number.

2403123340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403123340 is an abundant number, since it is smaller than the sum of its proper divisors (2657201972).

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

2403123340 is a wasteful number, since it uses less digits than its factorization.

2403123340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327777 (or 327775 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2403123340 is about 49021.6619465314. The cubic root of 2403123340 is about 1339.4464447069.

Adding to 2403123340 its reverse (433213042), we get a palindrome (2836336382).

The spelling of 2403123340 in words is "two billion, four hundred three million, one hundred twenty-three thousand, three hundred forty".