23742356694 has 128 divisors (see below), whose sum is σ = 58587217920. Its totient is φ = 6265036800.

The previous prime is 23742356657. The next prime is 23742356747. The reversal of 23742356694 is 49665324732.

23742356694 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23027959 + ... + 23028989.

It is an arithmetic number, because the mean of its divisors is an integer number (457712640).

Almost surely, 2^23742356694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23742356694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29293608960).

23742356694 is an abundant number, since it is smaller than the sum of its proper divisors (34844861226).

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

23742356694 is a wasteful number, since it uses less digits than its factorization.

23742356694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

The product of its digits is 6531840, while the sum is 51.

The spelling of 23742356694 in words is "twenty-three billion, seven hundred forty-two million, three hundred fifty-six thousand, six hundred ninety-four".