1023231229 has 4 divisors (see below), whose sum is σ = 1056238720. Its totient is φ = 990223740.

The previous prime is 1023231227. The next prime is 1023231239. The reversal of 1023231229 is 9221323201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9221323201 = 5879 ⋅1568519.

It is a cyclic number.

It is not a de Polignac number, because 1023231229 - 2¹ = 1023231227 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 (1023231227) 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, 16503699 + ... + 16503760.

It is an arithmetic number, because the mean of its divisors is an integer number (264059680).

Almost surely, 2^1023231229 is an apocalyptic number.

It is an amenable number.

1023231229 is a deficient number, since it is larger than the sum of its proper divisors (33007491).

1023231229 is an equidigital number, since it uses as much as digits as its factorization.

1023231229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33007490.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1023231229 is about 31987.9856977585. The cubic root of 1023231229 is about 1007.6845395885.

The spelling of 1023231229 in words is "one billion, twenty-three million, two hundred thirty-one thousand, two hundred twenty-nine".