1023412423211 has 4 divisors (see below), whose sum is σ = 1058702506800. Its totient is φ = 988122339624.

The previous prime is 1023412423123. The next prime is 1023412423213. The reversal of 1023412423211 is 1123242143201.

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 1023412423211 - 2¹⁸ = 1023412161067 is a prime.

It is a super-2 number, since 2×1023412423211² (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 (1023412423213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17645041751 + ... + 17645041808.

It is an arithmetic number, because the mean of its divisors is an integer number (264675626700).

Almost surely, 2^{1023412423211} is an apocalyptic number.

1023412423211 is a deficient number, since it is larger than the sum of its proper divisors (35290083589).

1023412423211 is an equidigital number, since it uses as much as digits as its factorization.

1023412423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35290083588.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1023412423211 its reverse (1123242143201), we get a palindrome (2146654566412).

The spelling of 1023412423211 in words is "one trillion, twenty-three billion, four hundred twelve million, four hundred twenty-three thousand, two hundred eleven".