23423451440532 has 192 divisors, whose sum is σ = 64778600054784. Its totient is φ = 6494068546560.

The previous prime is 23423451440527. The next prime is 23423451440533. The reversal of 23423451440532 is 23504415432432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423451440533) by changing a digit.

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, 225071733 + ... + 225175779.

It is an arithmetic number, because the mean of its divisors is an integer number (337388541952).

Almost surely, 2^{23423451440532} is an apocalyptic number.

23423451440532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23423451440532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32389300027392).

23423451440532 is an abundant number, since it is smaller than the sum of its proper divisors (41355148614252).

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

23423451440532 is a wasteful number, since it uses less digits than its factorization.

23423451440532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105238 (or 105236 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 23423451440532 its reverse (23504415432432), we get a palindrome (46927866872964).

The spelling of 23423451440532 in words is "twenty-three trillion, four hundred twenty-three billion, four hundred fifty-one million, four hundred forty thousand, five hundred thirty-two".