11423431315 has 4 divisors (see below), whose sum is σ = 13708117584. Its totient is φ = 9138745048.

The previous prime is 11423431309. The next prime is 11423431339. The reversal of 11423431315 is 51313432411.

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 11423431315 - 2³ = 11423431307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142343127 + ... + 1142343136.

It is an arithmetic number, because the mean of its divisors is an integer number (3427029396).

Almost surely, 2^11423431315 is an apocalyptic number.

11423431315 is a deficient number, since it is larger than the sum of its proper divisors (2284686269).

11423431315 is an equidigital number, since it uses as much as digits as its factorization.

11423431315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284686268.

The product of its digits is 4320, while the sum is 28.

Adding to 11423431315 its reverse (51313432411), we get a palindrome (62736863726).

The spelling of 11423431315 in words is "eleven billion, four hundred twenty-three million, four hundred thirty-one thousand, three hundred fifteen".