23539750542 has 48 divisors (see below), whose sum is σ = 63587901312. Its totient is φ = 6114220560.

The previous prime is 23539750523. The next prime is 23539750543. The reversal of 23539750542 is 24505793532.

23539750542 is a `hidden beast` number, since 2 + 3 + 5 + 39 + 75 + 0 + 542 = 666.

23539750542 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23539750543) 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 23 ways as a sum of consecutive naturals, for example, 8490588 + ... + 8493359.

It is an arithmetic number, because the mean of its divisors is an integer number (1324747944).

Almost surely, 2^23539750542 is an apocalyptic number.

23539750542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23539750542 is an abundant number, since it is smaller than the sum of its proper divisors (40048150770).

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

23539750542 is a wasteful number, since it uses less digits than its factorization.

23539750542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16983973 (or 16983970 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

Subtracting 23539750542 from its reverse (24505793532), we obtain a triangular number (966042990 = T₄₃₉₅₅).

The spelling of 23539750542 in words is "twenty-three billion, five hundred thirty-nine million, seven hundred fifty thousand, five hundred forty-two".