1023432 has 16 divisors (see below), whose sum is σ = 2558640. Its totient is φ = 341136.

The previous prime is 1023419. The next prime is 1023461. The reversal of 1023432 is 2343201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21298 + ... + 21345.

It is an arithmetic number, because the mean of its divisors is an integer number (159915).

2^1023432 is an apocalyptic number.

1023432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023432 is an abundant number, since it is smaller than the sum of its proper divisors (1535208).

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

1023432 is a wasteful number, since it uses less digits than its factorization.

1023432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42652 (or 42648 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1023432 is about 1011.6481601822. The cubic root of 1023432 is about 100.7750442126.

Adding to 1023432 its reverse (2343201), we get a palindrome (3366633).

The spelling of 1023432 in words is "one million, twenty-three thousand, four hundred thirty-two".