23432002542 has 96 divisors (see below), whose sum is σ = 58232664672. Its totient is φ = 7014916224.

The previous prime is 23432002541. The next prime is 23432002549. The reversal of 23432002542 is 24520023432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432002541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183648 + ... + 283884.

It is an arithmetic number, because the mean of its divisors is an integer number (606590257).

Almost surely, 2^23432002542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23432002542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29116332336).

23432002542 is an abundant number, since it is smaller than the sum of its proper divisors (34800662130).

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

23432002542 is a wasteful number, since it uses less digits than its factorization.

23432002542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100304 (or 100292 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23432002542 its reverse (24520023432), we get a palindrome (47952025974).

The spelling of 23432002542 in words is "twenty-three billion, four hundred thirty-two million, two thousand, five hundred forty-two".