2403640343 has 16 divisors (see below), whose sum is σ = 2634831360. Its totient is φ = 2179257696.

The previous prime is 2403640339. The next prime is 2403640367. The reversal of 2403640343 is 3430463042.

It is a cyclic number.

It is not a de Polignac number, because 2403640343 - 2² = 2403640339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403640303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308846 + ... + 316532.

It is an arithmetic number, because the mean of its divisors is an integer number (164676960).

Almost surely, 2^2403640343 is an apocalyptic number.

2403640343 is a deficient number, since it is larger than the sum of its proper divisors (231191017).

2403640343 is a wasteful number, since it uses less digits than its factorization.

2403640343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8126.

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 2403640343 is about 49026.9348725780. The cubic root of 2403640343 is about 1339.5424930681.

The spelling of 2403640343 in words is "two billion, four hundred three million, six hundred forty thousand, three hundred forty-three".