1023432343 has 4 divisors (see below), whose sum is σ = 1025807328. Its totient is φ = 1021057360.

The previous prime is 1023432323. The next prime is 1023432407. The reversal of 1023432343 is 3432343201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023432343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023432323) 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, 1186846 + ... + 1187707.

It is an arithmetic number, because the mean of its divisors is an integer number (256451832).

Almost surely, 2^1023432343 is an apocalyptic number.

1023432343 is a deficient number, since it is larger than the sum of its proper divisors (2374985).

1023432343 is an equidigital number, since it uses as much as digits as its factorization.

1023432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374984.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1023432343 is about 31991.1291298072. The cubic root of 1023432343 is about 1007.7505547070.

Adding to 1023432343 its reverse (3432343201), we get a palindrome (4455775544).

The spelling of 1023432343 in words is "one billion, twenty-three million, four hundred thirty-two thousand, three hundred forty-three".