23739220542 has 8 divisors (see below), whose sum is σ = 47478441096. Its totient is φ = 7913073512.

The previous prime is 23739220541. The next prime is 23739220591. The reversal of 23739220542 is 24502293732.

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

23739220542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 23739220542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23739220541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978268373 + ... + 1978268384.

It is an arithmetic number, because the mean of its divisors is an integer number (5934805137).

Almost surely, 2^23739220542 is an apocalyptic number.

23739220542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23739220542 is a wasteful number, since it uses less digits than its factorization.

23739220542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956536762.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 23739220542 in words is "twenty-three billion, seven hundred thirty-nine million, two hundred twenty thousand, five hundred forty-two".