1012342321403 has 8 divisors (see below), whose sum is σ = 1157196753408. Its totient is φ = 867546414504.

The previous prime is 1012342321399. The next prime is 1012342321411. The reversal of 1012342321403 is 3041232432101.

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

It is not a de Polignac number, because 1012342321403 - 2² = 1012342321399 is a prime.

It is a super-2 number, since 2×1012342321403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012342321483) 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, 14594201 + ... + 14663402.

It is an arithmetic number, because the mean of its divisors is an integer number (144649594176).

Almost surely, 2^{1012342321403} is an apocalyptic number.

1012342321403 is a deficient number, since it is larger than the sum of its proper divisors (144854432005).

1012342321403 is an equidigital number, since it uses as much as digits as its factorization.

1012342321403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29262553.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1012342321403 its reverse (3041232432101), we get a palindrome (4053574753504).

The spelling of 1012342321403 in words is "one trillion, twelve billion, three hundred forty-two million, three hundred twenty-one thousand, four hundred three".