11403423101 has 4 divisors (see below), whose sum is σ = 13032483552. Its totient is φ = 9774362652.

The previous prime is 11403423001. The next prime is 11403423107. The reversal of 11403423101 is 10132430411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10132430411 = 1567 ⋅6466133.

It is a cyclic number.

It is not a de Polignac number, because 11403423101 - 2¹⁰ = 11403422077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403423107) 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, 814530215 + ... + 814530228.

It is an arithmetic number, because the mean of its divisors is an integer number (3258120888).

Almost surely, 2^11403423101 is an apocalyptic number.

It is an amenable number.

11403423101 is a deficient number, since it is larger than the sum of its proper divisors (1629060451).

11403423101 is an equidigital number, since it uses as much as digits as its factorization.

11403423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629060450.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11403423101 its reverse (10132430411), we get a palindrome (21535853512).

The spelling of 11403423101 in words is "eleven billion, four hundred three million, four hundred twenty-three thousand, one hundred one".