1043311423021 has 8 divisors (see below), whose sum is σ = 1192378832064. Its totient is φ = 894249744000.

The previous prime is 1043311423019. The next prime is 1043311423061. The reversal of 1043311423021 is 1203241133401.

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 1043311423021 - 2¹ = 1043311423019 is a prime.

It is a super-2 number, since 2×1043311423021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043311423061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034980 + ... + 1777021.

It is an arithmetic number, because the mean of its divisors is an integer number (149047354008).

Almost surely, 2^{1043311423021} is an apocalyptic number.

It is an amenable number.

1043311423021 is a deficient number, since it is larger than the sum of its proper divisors (149067409043).

1043311423021 is an equidigital number, since it uses as much as digits as its factorization.

1043311423021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865011.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1043311423021 its reverse (1203241133401), we get a palindrome (2246552556422).

The spelling of 1043311423021 in words is "one trillion, forty-three billion, three hundred eleven million, four hundred twenty-three thousand, twenty-one".