23442240021040 has 20 divisors (see below), whose sum is σ = 54503208049104. Its totient is φ = 9376896008384.

The previous prime is 23442240021037. The next prime is 23442240021043. The reversal of 23442240021040 is 4012004224432.

It is an interprime number because it is at equal distance from previous prime (23442240021037) and next prime (23442240021043).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (23442240021043) 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 3 ways as a sum of consecutive naturals, for example, 146514000052 + ... + 146514000211.

Almost surely, 2^{23442240021040} is an apocalyptic number.

23442240021040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23442240021040 is an abundant number, since it is smaller than the sum of its proper divisors (31060968028064).

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

23442240021040 is a wasteful number, since it uses less digits than its factorization.

23442240021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293028000276 (or 293028000270 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 23442240021040 its reverse (4012004224432), we get a palindrome (27454244245472).

The spelling of 23442240021040 in words is "twenty-three trillion, four hundred forty-two billion, two hundred forty million, twenty-one thousand, forty".