1023413243321 has 16 divisors (see below), whose sum is σ = 1182484087680. Its totient is φ = 867572052480.

The previous prime is 1023413243261. The next prime is 1023413243329. The reversal of 1023413243321 is 1233423143201.

It is not a de Polignac number, because 1023413243321 - 2⁶ = 1023413243257 is a prime.

It is a super-2 number, since 2×1023413243321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023413243329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474131 + ... + 1507191.

It is an arithmetic number, because the mean of its divisors is an integer number (73905255480).

Almost surely, 2^{1023413243321} is an apocalyptic number.

It is an amenable number.

1023413243321 is a deficient number, since it is larger than the sum of its proper divisors (159070844359).

1023413243321 is a wasteful number, since it uses less digits than its factorization.

1023413243321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034624.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1023413243321 its reverse (1233423143201), we get a palindrome (2256836386522).

The spelling of 1023413243321 in words is "one trillion, twenty-three billion, four hundred thirteen million, two hundred forty-three thousand, three hundred twenty-one".