1023211043 has 4 divisors (see below), whose sum is σ = 1023278568. Its totient is φ = 1023143520.

The previous prime is 1023211039. The next prime is 1023211067. The reversal of 1023211043 is 3401123201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3401123201 = 7 ⋅485874743.

It is a cyclic number.

It is not a de Polignac number, because 1023211043 - 2² = 1023211039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023211073) 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, 680 + ... + 45242.

It is an arithmetic number, because the mean of its divisors is an integer number (255819642).

Almost surely, 2^1023211043 is an apocalyptic number.

1023211043 is a deficient number, since it is larger than the sum of its proper divisors (67525).

1023211043 is an equidigital number, since it uses as much as digits as its factorization.

1023211043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67524.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1023211043 is about 31987.6701714895. The cubic root of 1023211043 is about 1007.6779131117.

Adding to 1023211043 its reverse (3401123201), we get a palindrome (4424334244).

The spelling of 1023211043 in words is "one billion, twenty-three million, two hundred eleven thousand, forty-three".