23730402305 has 8 divisors (see below), whose sum is σ = 28667601000. Its totient is φ = 18856909696.

The previous prime is 23730402299. The next prime is 23730402307. The reversal of 23730402305 is 50320403732.

It can be written as a sum of positive squares in 4 ways, for example, as 3325136896 + 20405265409 = 57664^2 + 142847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23730402305 - 2¹⁰ = 23730401281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23730402307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15925700 + ... + 15927189.

It is an arithmetic number, because the mean of its divisors is an integer number (3583450125).

Almost surely, 2^23730402305 is an apocalyptic number.

It is an amenable number.

23730402305 is a deficient number, since it is larger than the sum of its proper divisors (4937198695).

23730402305 is a wasteful number, since it uses less digits than its factorization.

23730402305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31853043.

The product of its (nonzero) digits is 15120, while the sum is 29.

The spelling of 23730402305 in words is "twenty-three billion, seven hundred thirty million, four hundred two thousand, three hundred five".