23330729077 has 16 divisors (see below), whose sum is σ = 24144215040. Its totient is φ = 22532251392.

The previous prime is 23330729063. The next prime is 23330729087. The reversal of 23330729077 is 77092703332.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23330729077 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 (23330729027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206628 + ... + 1225810.

It is an arithmetic number, because the mean of its divisors is an integer number (1509013440).

Almost surely, 2^23330729077 is an apocalyptic number.

It is an amenable number.

23330729077 is a deficient number, since it is larger than the sum of its proper divisors (813485963).

23330729077 is a wasteful number, since it uses less digits than its factorization.

23330729077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19572.

The product of its (nonzero) digits is 333396, while the sum is 43.

The spelling of 23330729077 in words is "twenty-three billion, three hundred thirty million, seven hundred twenty-nine thousand, seventy-seven".