1013203110023 has 32 divisors (see below), whose sum is σ = 1107739684800. Its totient is φ = 921128288256.

The previous prime is 1013203110001. The next prime is 1013203110041. The reversal of 1013203110023 is 3200113023101.

It is a cyclic number.

It is not a de Polignac number, because 1013203110023 - 2¹² = 1013203105927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013203109983 and 1013203110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013203110523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390744215 + ... + 390746807.

It is an arithmetic number, because the mean of its divisors is an integer number (34616865150).

Almost surely, 2^{1013203110023} is an apocalyptic number.

1013203110023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013203110023 is a deficient number, since it is larger than the sum of its proper divisors (94536574777).

1013203110023 is a wasteful number, since it uses less digits than its factorization.

1013203110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1013203110023 its reverse (3200113023101), we get a palindrome (4213316133124).

The spelling of 1013203110023 in words is "one trillion, thirteen billion, two hundred three million, one hundred ten thousand, twenty-three".