2123151113003 has 4 divisors (see below), whose sum is σ = 2125544745360. Its totient is φ = 2120757480648.

The previous prime is 2123151112993. The next prime is 2123151113033. The reversal of 2123151113003 is 3003111513212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123151113003 - 2²² = 2123146918699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123151113003.

It is not an unprimeable number, because it can be changed into a prime (2123151113033) 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, 1196814848 + ... + 1196816621.

It is an arithmetic number, because the mean of its divisors is an integer number (531386186340).

Almost surely, 2^{2123151113003} is an apocalyptic number.

2123151113003 is a deficient number, since it is larger than the sum of its proper divisors (2393632357).

2123151113003 is an equidigital number, since it uses as much as digits as its factorization.

2123151113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393632356.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 2123151113003 its reverse (3003111513212), we get a palindrome (5126262626215).

The spelling of 2123151113003 in words is "two trillion, one hundred twenty-three billion, one hundred fifty-one million, one hundred thirteen thousand, three".