1013320123 has 8 divisors (see below), whose sum is σ = 1026898880. Its totient is φ = 999760320.

The previous prime is 1013320111. The next prime is 1013320153. The reversal of 1013320123 is 3210233101.

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 1013320123 - 2⁹ = 1013319611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013320097 and 1013320106.

It is not an unprimeable number, because it can be changed into a prime (1013320153) 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, 127033 + ... + 134773.

It is an arithmetic number, because the mean of its divisors is an integer number (128362360).

Almost surely, 2^1013320123 is an apocalyptic number.

1013320123 is a deficient number, since it is larger than the sum of its proper divisors (13578757).

1013320123 is an equidigital number, since it uses as much as digits as its factorization.

1013320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1013320123 is about 31832.6895345021. The cubic root of 1013320123 is about 1004.4204716377.

Adding to 1013320123 its reverse (3210233101), we get a palindrome (4223553224).

The spelling of 1013320123 in words is "one billion, thirteen million, three hundred twenty thousand, one hundred twenty-three".