1023323421 has 8 divisors (see below), whose sum is σ = 1374247840. Its totient is φ = 677307312.

The previous prime is 1023323359. The next prime is 1023323443. The reversal of 1023323421 is 1243233201.

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

It is not a de Polignac number, because 1023323421 - 2¹³ = 1023315229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023323461) 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, 1226590 + ... + 1227423.

It is an arithmetic number, because the mean of its divisors is an integer number (171780980).

Almost surely, 2^1023323421 is an apocalyptic number.

It is an amenable number.

1023323421 is a deficient number, since it is larger than the sum of its proper divisors (350924419).

1023323421 is a wasteful number, since it uses less digits than its factorization.

1023323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454155.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1023323421 is about 31989.4267063353. The cubic root of 1023323421 is about 1007.7148024331.

Adding to 1023323421 its reverse (1243233201), we get a palindrome (2266556622).

The spelling of 1023323421 in words is "one billion, twenty-three million, three hundred twenty-three thousand, four hundred twenty-one".