11020123003 has 2 divisors, whose sum is σ = 11020123004. Its totient is φ = 11020123002.

The previous prime is 11020122991. The next prime is 11020123021. The reversal of 11020123003 is 30032102011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020123003 is a prime.

It is a super-2 number, since 2×11020123003² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11020123043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510061501 + 5510061502.

It is an arithmetic number, because the mean of its divisors is an integer number (5510061502).

Almost surely, 2^11020123003 is an apocalyptic number.

11020123003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020123003 is an equidigital number, since it uses as much as digits as its factorization.

11020123003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11020123003 its reverse (30032102011), we get a palindrome (41052225014).

The spelling of 11020123003 in words is "eleven billion, twenty million, one hundred twenty-three thousand, three".