1011423120003 has 24 divisors (see below), whose sum is σ = 1529365743360. Its totient is φ = 642891582960.

The previous prime is 1011423119893. The next prime is 1011423120023. The reversal of 1011423120003 is 3000213241101.

It is not a de Polignac number, because 1011423120003 - 2⁹ = 1011423119491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011423120023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7791093 + ... + 7919846.

It is an arithmetic number, because the mean of its divisors is an integer number (63723572640).

Almost surely, 2^{1011423120003} is an apocalyptic number.

1011423120003 is a deficient number, since it is larger than the sum of its proper divisors (517942623357).

1011423120003 is a wasteful number, since it uses less digits than its factorization.

1011423120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711279 (or 15711276 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1011423120003 its reverse (3000213241101), we get a palindrome (4011636361104).

The spelling of 1011423120003 in words is "one trillion, eleven billion, four hundred twenty-three million, one hundred twenty thousand, three".