1013233523 has 4 divisors (see below), whose sum is σ = 1048172640. Its totient is φ = 978294408.

The previous prime is 1013233519. The next prime is 1013233547. The reversal of 1013233523 is 3253323101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013233523 - 2² = 1013233519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013235523) 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, 17469515 + ... + 17469572.

It is an arithmetic number, because the mean of its divisors is an integer number (262043160).

Almost surely, 2^1013233523 is an apocalyptic number.

1013233523 is a deficient number, since it is larger than the sum of its proper divisors (34939117).

1013233523 is an equidigital number, since it uses as much as digits as its factorization.

1013233523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34939116.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1013233523 is about 31831.3292685053. The cubic root of 1013233523 is about 1004.3918576821.

Adding to 1013233523 its reverse (3253323101), we get a palindrome (4266556624).

The spelling of 1013233523 in words is "one billion, thirteen million, two hundred thirty-three thousand, five hundred twenty-three".