4312321403 has 8 divisors (see below), whose sum is σ = 4644548496. Its totient is φ = 3980167200.

The previous prime is 4312321397. The next prime is 4312321417. The reversal of 4312321403 is 3041232134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4312321403 - 2⁸ = 4312321147 is a prime.

It is a super-2 number, since 2×4312321403² = 37192231765543776818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4312321423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223313 + ... + 241853.

It is an arithmetic number, because the mean of its divisors is an integer number (580568562).

Almost surely, 2^4312321403 is an apocalyptic number.

4312321403 is a deficient number, since it is larger than the sum of its proper divisors (332227093).

4312321403 is a wasteful number, since it uses less digits than its factorization.

4312321403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36445.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4312321403 is about 65668.2678544211. The cubic root of 4312321403 is about 1627.6850477218.

Adding to 4312321403 its reverse (3041232134), we get a palindrome (7353553537).

The spelling of 4312321403 in words is "four billion, three hundred twelve million, three hundred twenty-one thousand, four hundred three".