1003012023421 has 4 divisors (see below), whose sum is σ = 1012213968700. Its totient is φ = 993810078144.

The previous prime is 1003012023401. The next prime is 1003012023457. The reversal of 1003012023421 is 1243202103001.

It is a happy number.

1003012023421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 596777880196 + 406234143225 = 772514^2 + 637365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003012023421 - 2⁵ = 1003012023389 is a prime.

It is a super-3 number, since 3×1003012023421³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003012023401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600972476 + ... + 4600972693.

It is an arithmetic number, because the mean of its divisors is an integer number (253053492175).

Almost surely, 2^{1003012023421} is an apocalyptic number.

It is an amenable number.

1003012023421 is a deficient number, since it is larger than the sum of its proper divisors (9201945279).

1003012023421 is an equidigital number, since it uses as much as digits as its factorization.

1003012023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201945278.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1003012023421 its reverse (1243202103001), we get a palindrome (2246214126422).

The spelling of 1003012023421 in words is "one trillion, three billion, twelve million, twenty-three thousand, four hundred twenty-one".