1023233489 has 2 divisors, whose sum is σ = 1023233490. Its totient is φ = 1023233488.

The previous prime is 1023233339. The next prime is 1023233501. The reversal of 1023233489 is 9843323201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959760400 + 63473089 = 30980^2 + 7967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023233489 - 2¹⁶ = 1023167953 is a prime.

It is a super-2 number, since 2×1023233489² = 2094013546022226242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1023230489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511616744 + 511616745.

It is an arithmetic number, because the mean of its divisors is an integer number (511616745).

Almost surely, 2^1023233489 is an apocalyptic number.

It is an amenable number.

1023233489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023233489 is an equidigital number, since it uses as much as digits as its factorization.

1023233489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1023233489 is about 31988.0210235019. The cubic root of 1023233489 is about 1007.6852814753.

The spelling of 1023233489 in words is "one billion, twenty-three million, two hundred thirty-three thousand, four hundred eighty-nine".