1023204113 has 4 divisors (see below), whose sum is σ = 1025904240. Its totient is φ = 1020503988.

The previous prime is 1023204107. The next prime is 1023204121. The reversal of 1023204113 is 3114023201.

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.

It is a cyclic number.

It is not a de Polignac number, because 1023204113 - 2⁴ = 1023204097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023204091 and 1023204100.

It is not an unprimeable number, because it can be changed into a prime (1023204103) 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, 1349495 + ... + 1350252.

It is an arithmetic number, because the mean of its divisors is an integer number (256476060).

Almost surely, 2^1023204113 is an apocalyptic number.

It is an amenable number.

1023204113 is a deficient number, since it is larger than the sum of its proper divisors (2700127).

1023204113 is an equidigital number, since it uses as much as digits as its factorization.

1023204113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700126.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1023204113 is about 31987.5618483185. The cubic root of 1023204113 is about 1007.6756381741.

Adding to 1023204113 its reverse (3114023201), we get a palindrome (4137227314).

The spelling of 1023204113 in words is "one billion, twenty-three million, two hundred four thousand, one hundred thirteen".