2403213043 has 16 divisors (see below), whose sum is σ = 3153911040. Its totient is φ = 1774072800.

The previous prime is 2403213019. The next prime is 2403213049. The reversal of 2403213043 is 3403123042.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2403213043 - 2¹³ = 2403204851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2403213049) 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, 819868 + ... + 822793.

It is an arithmetic number, because the mean of its divisors is an integer number (197119440).

Almost surely, 2^2403213043 is an apocalyptic number.

2403213043 is a deficient number, since it is larger than the sum of its proper divisors (750697997).

2403213043 is a wasteful number, since it uses less digits than its factorization.

2403213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642698.

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

The square root of 2403213043 is about 49022.5768702544. The cubic root of 2403213043 is about 1339.4631106388.

Adding to 2403213043 its reverse (3403123042), we get a palindrome (5806336085).

Subtracting 2403213043 from its reverse (3403123042), we obtain a palindrome (999909999).

The spelling of 2403213043 in words is "two billion, four hundred three million, two hundred thirteen thousand, forty-three".