1011023130203 has 4 divisors (see below), whose sum is σ = 1011070888440. Its totient is φ = 1010975371968.

The previous prime is 1011023130197. The next prime is 1011023130209. The reversal of 1011023130203 is 3020313201101.

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

It is an interprime number because it is at equal distance from previous prime (1011023130197) and next prime (1011023130209).

It is a cyclic number.

It is not a de Polignac number, because 1011023130203 - 2¹⁸ = 1011022868059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011023130209) 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, 23847350 + ... + 23889707.

It is an arithmetic number, because the mean of its divisors is an integer number (252767722110).

Almost surely, 2^{1011023130203} is an apocalyptic number.

1011023130203 is a deficient number, since it is larger than the sum of its proper divisors (47758237).

1011023130203 is an equidigital number, since it uses as much as digits as its factorization.

1011023130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47758236.

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

Adding to 1011023130203 its reverse (3020313201101), we get a palindrome (4031336331304).

The spelling of 1011023130203 in words is "one trillion, eleven billion, twenty-three million, one hundred thirty thousand, two hundred three".