1023430211 has 4 divisors (see below), whose sum is σ = 1023514800. Its totient is φ = 1023345624.

The previous prime is 1023430201. The next prime is 1023430223. The reversal of 1023430211 is 1120343201.

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.

It is a cyclic number.

It is not a de Polignac number, because 1023430211 - 2¹⁴ = 1023413827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023430211.

It is not an unprimeable number, because it can be changed into a prime (1023430201) 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, 20351 + ... + 49608.

It is an arithmetic number, because the mean of its divisors is an integer number (255878700).

Almost surely, 2^1023430211 is an apocalyptic number.

1023430211 is a deficient number, since it is larger than the sum of its proper divisors (84589).

1023430211 is an equidigital number, since it uses as much as digits as its factorization.

1023430211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84588.

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

The square root of 1023430211 is about 31991.0958080526. The cubic root of 1023430211 is about 1007.7498549292.

Adding to 1023430211 its reverse (1120343201), we get a palindrome (2143773412).

The spelling of 1023430211 in words is "one billion, twenty-three million, four hundred thirty thousand, two hundred eleven".