1023231029 has 2 divisors, whose sum is σ = 1023231030. Its totient is φ = 1023231028.

The previous prime is 1023231023. The next prime is 1023231047. The reversal of 1023231029 is 9201323201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 841116004 + 182115025 = 29002^2 + 13495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023231029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023230995 and 1023231013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023231023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511615514 + 511615515.

It is an arithmetic number, because the mean of its divisors is an integer number (511615515).

Almost surely, 2^1023231029 is an apocalyptic number.

It is an amenable number.

1023231029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023231029 is an equidigital number, since it uses as much as digits as its factorization.

1023231029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1023231029 is about 31987.9825715846. The cubic root of 1023231029 is about 1007.6844739347.

The spelling of 1023231029 in words is "one billion, twenty-three million, two hundred thirty-one thousand, twenty-nine".