1023438332 has 12 divisors (see below), whose sum is σ = 2046876720. Its totient is φ = 438616416.

The previous prime is 1023438331. The next prime is 1023438343. The reversal of 1023438332 is 2338343201.

1023438332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1023438295 and 1023438304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023438331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18275657 + ... + 18275712.

It is an arithmetic number, because the mean of its divisors is an integer number (170573060).

Almost surely, 2^1023438332 is an apocalyptic number.

It is an amenable number.

1023438332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1023438332 is a wasteful number, since it uses less digits than its factorization.

1023438332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36551380 (or 36551378 counting only the distinct ones).

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

The square root of 1023438332 is about 31991.2227337437. Note that the first 3 decimals coincide. The cubic root of 1023438332 is about 1007.7525204472.

The spelling of 1023438332 in words is "one billion, twenty-three million, four hundred thirty-eight thousand, three hundred thirty-two".