1023454055221 has 8 divisors (see below), whose sum is σ = 1102328607744. Its totient is φ = 944600548080.

The previous prime is 1023454055123. The next prime is 1023454055231. The reversal of 1023454055221 is 1225504543201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023454055221 - 2³⁹ = 473698241333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023454055231) 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, 5160265 + ... + 5354926.

It is an arithmetic number, because the mean of its divisors is an integer number (137791075968).

Almost surely, 2^{1023454055221} is an apocalyptic number.

It is an amenable number.

1023454055221 is a deficient number, since it is larger than the sum of its proper divisors (78874552523).

1023454055221 is a wasteful number, since it uses less digits than its factorization.

1023454055221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522691.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 1023454055221 its reverse (1225504543201), we get a palindrome (2248958598422).

The spelling of 1023454055221 in words is "one trillion, twenty-three billion, four hundred fifty-four million, fifty-five thousand, two hundred twenty-one".