1023235513 has 8 divisors (see below), whose sum is σ = 1029459200. Its totient is φ = 1017023040.

The previous prime is 1023235501. The next prime is 1023235541. The reversal of 1023235513 is 3155323201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023235513 - 2¹⁷ = 1023104441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023235583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242881 + ... + 247057.

It is an arithmetic number, because the mean of its divisors is an integer number (128682400).

Almost surely, 2^1023235513 is an apocalyptic number.

It is an amenable number.

1023235513 is a deficient number, since it is larger than the sum of its proper divisors (6223687).

1023235513 is a wasteful number, since it uses less digits than its factorization.

1023235513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1023235513 is about 31988.0526603293. The cubic root of 1023235513 is about 1007.6859458899.

Adding to 1023235513 its reverse (3155323201), we get a palindrome (4178558714).

The spelling of 1023235513 in words is "one billion, twenty-three million, two hundred thirty-five thousand, five hundred thirteen".