23321400043424 has 48 divisors (see below), whose sum is σ = 52473624997248. Its totient is φ = 9994795276032.

The previous prime is 23321400043399. The next prime is 23321400043427. The reversal of 23321400043424 is 42434000412332.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (23321400043427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28228277 + ... + 29042699.

It is an arithmetic number, because the mean of its divisors is an integer number (1093200520776).

Almost surely, 2^{23321400043424} is an apocalyptic number.

It is an amenable number.

23321400043424 is an abundant number, since it is smaller than the sum of its proper divisors (29152224953824).

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

23321400043424 is a wasteful number, since it uses less digits than its factorization.

23321400043424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942277 (or 942269 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 23321400043424 its reverse (42434000412332), we get a palindrome (65755400455756).

The spelling of 23321400043424 in words is "twenty-three trillion, three hundred twenty-one billion, four hundred million, forty-three thousand, four hundred twenty-four".