1043312345 has 8 divisors (see below), whose sum is σ = 1278612864. Its totient is φ = 816891184.

The previous prime is 1043312339. The next prime is 1043312353. The reversal of 1043312345 is 5432133401.

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 1043312345 - 2⁴ = 1043312329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219579 + ... + 2220048.

It is an arithmetic number, because the mean of its divisors is an integer number (159826608).

Almost surely, 2^1043312345 is an apocalyptic number.

It is an amenable number.

1043312345 is a deficient number, since it is larger than the sum of its proper divisors (235300519).

1043312345 is an equidigital number, since it uses as much as digits as its factorization.

1043312345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439679.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1043312345 is about 32300.3458959807. The cubic root of 1043312345 is about 1014.2338836127.

Adding to 1043312345 its reverse (5432133401), we get a palindrome (6475445746).

The spelling of 1043312345 in words is "one billion, forty-three million, three hundred twelve thousand, three hundred forty-five".