11403111023 has 2 divisors, whose sum is σ = 11403111024. Its totient is φ = 11403111022.

The previous prime is 11403111007. The next prime is 11403111037. The reversal of 11403111023 is 32011130411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11403111023 - 2⁴ = 11403111007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403110992 and 11403111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403110023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701555511 + 5701555512.

It is an arithmetic number, because the mean of its divisors is an integer number (5701555512).

Almost surely, 2^11403111023 is an apocalyptic number.

11403111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403111023 is an equidigital number, since it uses as much as digits as its factorization.

11403111023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11403111023 its reverse (32011130411), we get a palindrome (43414241434).

The spelling of 11403111023 in words is "eleven billion, four hundred three million, one hundred eleven thousand, twenty-three".