11923204351 has 4 divisors (see below), whose sum is σ = 11937416400. Its totient is φ = 11908992304.

The previous prime is 11923204327. The next prime is 11923204361. The reversal of 11923204351 is 15340232911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15340232911 = 137 ⋅111972503.

It is a cyclic number.

It is not a de Polignac number, because 11923204351 - 2³³ = 3333269759 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 (11923204361) 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, 7104766 + ... + 7106443.

It is an arithmetic number, because the mean of its divisors is an integer number (2984354100).

Almost surely, 2^11923204351 is an apocalyptic number.

11923204351 is a deficient number, since it is larger than the sum of its proper divisors (14212049).

11923204351 is an equidigital number, since it uses as much as digits as its factorization.

11923204351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212048.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 11923204351 in words is "eleven billion, nine hundred twenty-three million, two hundred four thousand, three hundred fifty-one".