1003012435123 has 4 divisors (see below), whose sum is σ = 1024353125280. Its totient is φ = 981671744968.

The previous prime is 1003012435111. The next prime is 1003012435127. The reversal of 1003012435123 is 3215342103001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1003012435123 - 2⁵ = 1003012435091 is a prime.

It is a super-2 number, since 2×1003012435123² (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 (1003012435127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10670345008 + ... + 10670345101.

It is an arithmetic number, because the mean of its divisors is an integer number (256088281320).

Almost surely, 2^{1003012435123} is an apocalyptic number.

1003012435123 is a deficient number, since it is larger than the sum of its proper divisors (21340690157).

1003012435123 is an equidigital number, since it uses as much as digits as its factorization.

1003012435123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21340690156.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1003012435123 its reverse (3215342103001), we get a palindrome (4218354538124).

The spelling of 1003012435123 in words is "one trillion, three billion, twelve million, four hundred thirty-five thousand, one hundred twenty-three".