2523204340 has 12 divisors (see below), whose sum is σ = 5298729156. Its totient is φ = 1009281728.

The previous prime is 2523204317. The next prime is 2523204349. The reversal of 2523204340 is 434023252.

It can be written as a sum of positive squares in 2 ways, for example, as 1265367184 + 1257837156 = 35572^2 + 35466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523204349) 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, 63080089 + ... + 63080128.

It is an arithmetic number, because the mean of its divisors is an integer number (441560763).

Almost surely, 2^2523204340 is an apocalyptic number.

2523204340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2523204340 is an abundant number, since it is smaller than the sum of its proper divisors (2775524816).

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

2523204340 is a wasteful number, since it uses less digits than its factorization.

2523204340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126160226 (or 126160224 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2523204340 is about 50231.5074430382. The cubic root of 2523204340 is about 1361.3949678974.

Adding to 2523204340 its reverse (434023252), we get a palindrome (2957227592).

The spelling of 2523204340 in words is "two billion, five hundred twenty-three million, two hundred four thousand, three hundred forty".