11430023549 has 4 divisors (see below), whose sum is σ = 13062884064. Its totient is φ = 9797163036.

The previous prime is 11430023531. The next prime is 11430023551. The reversal of 11430023549 is 94532003411.

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.

It is a cyclic number.

It is not a de Polignac number, because 11430023549 - 2²⁸ = 11161588093 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 (11430023149) 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, 816430247 + ... + 816430260.

It is an arithmetic number, because the mean of its divisors is an integer number (3265721016).

Almost surely, 2^11430023549 is an apocalyptic number.

It is an amenable number.

11430023549 is a deficient number, since it is larger than the sum of its proper divisors (1632860515).

11430023549 is an equidigital number, since it uses as much as digits as its factorization.

11430023549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632860514.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 11430023549 in words is "eleven billion, four hundred thirty million, twenty-three thousand, five hundred forty-nine".