23231121412240 has 80 divisors (see below), whose sum is σ = 62327713413888. Its totient is φ = 7887626224128.

The previous prime is 23231121412193. The next prime is 23231121412243. The reversal of 23231121412240 is 4221412113232.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 23231121412199 and 23231121412208.

It is not an unprimeable number, because it can be changed into a prime (23231121412243) 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 15 ways as a sum of consecutive naturals, for example, 201321667 + ... + 201437026.

Almost surely, 2^{23231121412240} is an apocalyptic number.

23231121412240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231121412240 is an abundant number, since it is smaller than the sum of its proper divisors (39096592001648).

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

23231121412240 is a wasteful number, since it uses less digits than its factorization.

23231121412240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402758816 (or 402758810 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 23231121412240 its reverse (4221412113232), we get a palindrome (27452533525472).

The spelling of 23231121412240 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred twenty-one million, four hundred twelve thousand, two hundred forty".