23729193357 has 8 divisors (see below), whose sum is σ = 33014529984. Its totient is φ = 15131659488.

The previous prime is 23729193353. The next prime is 23729193359. The reversal of 23729193357 is 75339192732.

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

It is not a de Polignac number, because 23729193357 - 2² = 23729193353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23729193353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171950608 + ... + 171950745.

It is an arithmetic number, because the mean of its divisors is an integer number (4126816248).

Almost surely, 2^23729193357 is an apocalyptic number.

It is an amenable number.

23729193357 is a deficient number, since it is larger than the sum of its proper divisors (9285336627).

23729193357 is a wasteful number, since it uses less digits than its factorization.

23729193357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343901379.

The product of its digits is 2143260, while the sum is 51.

The spelling of 23729193357 in words is "twenty-three billion, seven hundred twenty-nine million, one hundred ninety-three thousand, three hundred fifty-seven".