1013520923 has 2 divisors, whose sum is σ = 1013520924. Its totient is φ = 1013520922.

The previous prime is 1013520899. The next prime is 1013520973. The reversal of 1013520923 is 3290253101.

1013520923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3290253101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013520923 - 2²⁰ = 1012472347 is a prime.

It is a super-2 number, since 2×1013520923² = 2054449322717543858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013520892 and 1013520901.

It is not a weakly prime, because it can be changed into another prime (1013520973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506760461 + 506760462.

It is an arithmetic number, because the mean of its divisors is an integer number (506760462).

Almost surely, 2^1013520923 is an apocalyptic number.

1013520923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013520923 is an equidigital number, since it uses as much as digits as its factorization.

1013520923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1013520923 is about 31835.8433687565. The cubic root of 1013520923 is about 1004.4868127361.

The spelling of 1013520923 in words is "one billion, thirteen million, five hundred twenty thousand, nine hundred twenty-three".