1013612523 has 24 divisors (see below), whose sum is σ = 1697735424. Its totient is φ = 526550640.

The previous prime is 1013612459. The next prime is 1013612531. The reversal of 1013612523 is 3252163101.

It is not a de Polignac number, because 1013612523 - 2⁶ = 1013612459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013612493 and 1013612502.

It is not an unprimeable number, because it can be changed into a prime (1013612123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196911 + ... + 201992.

It is an arithmetic number, because the mean of its divisors is an integer number (70738976).

Almost surely, 2^1013612523 is an apocalyptic number.

1013612523 is a deficient number, since it is larger than the sum of its proper divisors (684122901).

1013612523 is a wasteful number, since it uses less digits than its factorization.

1013612523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398935 (or 398924 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1013612523 is about 31837.2819662734. The cubic root of 1013612523 is about 1004.5170729962.

Adding to 1013612523 its reverse (3252163101), we get a palindrome (4265775624).

The spelling of 1013612523 in words is "one billion, thirteen million, six hundred twelve thousand, five hundred twenty-three".