1023432311 has 16 divisors (see below), whose sum is σ = 1167091200. Its totient is φ = 888354720.

The previous prime is 1023432259. The next prime is 1023432323. The reversal of 1023432311 is 1132343201.

1023432311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1023432311 - 2¹⁸ = 1023170167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023435311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151790 + ... + 158388.

It is an arithmetic number, because the mean of its divisors is an integer number (72943200).

Almost surely, 2^1023432311 is an apocalyptic number.

1023432311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1023432311 is a deficient number, since it is larger than the sum of its proper divisors (143658889).

1023432311 is a wasteful number, since it uses less digits than its factorization.

1023432311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1023432311 is about 31991.1286296686. The cubic root of 1023432311 is about 1007.7505442037.

Adding to 1023432311 its reverse (1132343201), we get a palindrome (2155775512).

It can be divided in two parts, 1023 and 432311, that added together give a palindrome (433334).

The spelling of 1023432311 in words is "one billion, twenty-three million, four hundred thirty-two thousand, three hundred eleven".