23021212040344 has 32 divisors (see below), whose sum is σ = 49331322547200. Its totient is φ = 9866202953760.

The previous prime is 23021212040303. The next prime is 23021212040371. The reversal of 23021212040344 is 44304021212032.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35184259 + ... + 35832589.

It is an arithmetic number, because the mean of its divisors is an integer number (1541603829600).

Almost surely, 2^{23021212040344} is an apocalyptic number.

It is an amenable number.

23021212040344 is an abundant number, since it is smaller than the sum of its proper divisors (26310110506856).

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

23021212040344 is a wasteful number, since it uses less digits than its factorization.

23021212040344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282423 (or 1282419 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 23021212040344 its reverse (44304021212032), we get a palindrome (67325233252376).

The spelling of 23021212040344 in words is "twenty-three trillion, twenty-one billion, two hundred twelve million, forty thousand, three hundred forty-four".