1023421304040 has 64 divisors (see below), whose sum is σ = 3231856756800. Its totient is φ = 258548539392.

The previous prime is 1023421303943. The next prime is 1023421304057. The reversal of 1023421304040 is 404031243201.

1023421304040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1023421304040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224432217 + ... + 224436776.

It is an arithmetic number, because the mean of its divisors is an integer number (50497761825).

Almost surely, 2^{1023421304040} is an apocalyptic number.

1023421304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023421304040 is an abundant number, since it is smaller than the sum of its proper divisors (2208435452760).

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

1023421304040 is a wasteful number, since it uses less digits than its factorization.

1023421304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448869026 (or 448869022 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1023421304040 its reverse (404031243201), we get a palindrome (1427452547241).

The spelling of 1023421304040 in words is "one trillion, twenty-three billion, four hundred twenty-one million, three hundred four thousand, forty".