1023403429 has 2 divisors, whose sum is σ = 1023403430. Its totient is φ = 1023403428.

The previous prime is 1023403421. The next prime is 1023403463. The reversal of 1023403429 is 9243043201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 709156900 + 314246529 = 26630^2 + 17727^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023403429 - 2³ = 1023403421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023403397 and 1023403406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023403421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511701714 + 511701715.

It is an arithmetic number, because the mean of its divisors is an integer number (511701715).

Almost surely, 2^1023403429 is an apocalyptic number.

It is an amenable number.

1023403429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023403429 is an equidigital number, since it uses as much as digits as its factorization.

1023403429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1023403429 is about 31990.6772200902. The cubic root of 1023403429 is about 1007.7410642982.

The spelling of 1023403429 in words is "one billion, twenty-three million, four hundred three thousand, four hundred twenty-nine".