213233757703 has 4 divisors (see below), whose sum is σ = 220112266048. Its totient is φ = 206355249360.

The previous prime is 213233757683. The next prime is 213233757743. The reversal of 213233757703 is 307757332312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213233757703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213233757703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213233757743) 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, 3439254126 + ... + 3439254187.

It is an arithmetic number, because the mean of its divisors is an integer number (55028066512).

Almost surely, 2^213233757703 is an apocalyptic number.

213233757703 is a deficient number, since it is larger than the sum of its proper divisors (6878508345).

213233757703 is an equidigital number, since it uses as much as digits as its factorization.

213233757703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878508344.

The product of its (nonzero) digits is 555660, while the sum is 43.

The spelling of 213233757703 in words is "two hundred thirteen billion, two hundred thirty-three million, seven hundred fifty-seven thousand, seven hundred three".