23742157308 has 24 divisors (see below), whose sum is σ = 55555312848. Its totient is φ = 7891631616.

The previous prime is 23742157289. The next prime is 23742157321. The reversal of 23742157308 is 80375124732.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23742157308.

It is a congruent number.

It is an unprimeable number.

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, 2798191 + ... + 2806662.

It is an arithmetic number, because the mean of its divisors is an integer number (2314804702).

Almost surely, 2^23742157308 is an apocalyptic number.

It is an amenable number.

23742157308 is an abundant number, since it is smaller than the sum of its proper divisors (31813155540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23742157308 is a wasteful number, since it uses less digits than its factorization.

23742157308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605213 (or 5605211 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 23742157308 in words is "twenty-three billion, seven hundred forty-two million, one hundred fifty-seven thousand, three hundred eight".