1023421332 has 24 divisors (see below), whose sum is σ = 2452524256. Its totient is φ = 331920288.

The previous prime is 1023421331. The next prime is 1023421337. The reversal of 1023421332 is 2331243201.

It is a junction number, because it is equal to n+sod(n) for n = 1023421299 and 1023421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023421331) 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, 1152058 + ... + 1152945.

Almost surely, 2^1023421332 is an apocalyptic number.

1023421332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023421332 is an abundant number, since it is smaller than the sum of its proper divisors (1429102924).

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

1023421332 is a wasteful number, since it uses less digits than its factorization.

1023421332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305047 (or 2305045 counting only the distinct ones).

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

The square root of 1023421332 is about 31990.9570347622. The cubic root of 1023421332 is about 1007.7469406002.

Adding to 1023421332 its reverse (2331243201), we get a palindrome (3354664533).

The spelling of 1023421332 in words is "one billion, twenty-three million, four hundred twenty-one thousand, three hundred thirty-two".