23451503199 has 4 divisors (see below), whose sum is σ = 31268670936. Its totient is φ = 15634335464.

The previous prime is 23451503197. The next prime is 23451503227. The reversal of 23451503199 is 99130515432.

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 23451503199 - 2¹ = 23451503197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23451503199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451503197) 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, 3908583864 + ... + 3908583869.

It is an arithmetic number, because the mean of its divisors is an integer number (7817167734).

Almost surely, 2^23451503199 is an apocalyptic number.

23451503199 is a deficient number, since it is larger than the sum of its proper divisors (7817167737).

23451503199 is an equidigital number, since it uses as much as digits as its factorization.

23451503199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817167736.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 23451503199 in words is "twenty-three billion, four hundred fifty-one million, five hundred three thousand, one hundred ninety-nine".