243232013403 has 20 divisors (see below), whose sum is σ = 375875784240. Its totient is φ = 156563133552.

The previous prime is 243232013399. The next prime is 243232013407. The reversal of 243232013403 is 304310232342.

243232013403 is a `hidden beast` number, since 24 + 3 + 232 + 0 + 1 + 3 + 403 = 666.

It is an interprime number because it is at equal distance from previous prime (243232013399) and next prime (243232013407).

It is not a de Polignac number, because 243232013403 - 2² = 243232013399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (243232013407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51771175 + ... + 51775872.

It is an arithmetic number, because the mean of its divisors is an integer number (18793789212).

Almost surely, 2^243232013403 is an apocalyptic number.

243232013403 is a deficient number, since it is larger than the sum of its proper divisors (132643770837).

243232013403 is a wasteful number, since it uses less digits than its factorization.

243232013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103547088 (or 103547079 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 243232013403 its reverse (304310232342), we get a palindrome (547542245745).

The spelling of 243232013403 in words is "two hundred forty-three billion, two hundred thirty-two million, thirteen thousand, four hundred three".