1033423240 has 32 divisors (see below), whose sum is σ = 2330331480. Its totient is φ = 412457472.

The previous prime is 1033423231. The next prime is 1033423241. The reversal of 1033423240 is 423243301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 736688164 + 296735076 = 27142^2 + 17226^2 .

It is not an unprimeable number, because it can be changed into a prime (1033423241) 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, 9987 + ... + 46546.

Almost surely, 2^1033423240 is an apocalyptic number.

1033423240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033423240 is an abundant number, since it is smaller than the sum of its proper divisors (1296908240).

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

1033423240 is a wasteful number, since it uses less digits than its factorization.

1033423240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57001 (or 56997 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1033423240 is about 32146.9009392818. The cubic root of 1033423240 is about 1011.0192109938.

Adding to 1033423240 its reverse (423243301), we get a palindrome (1456666541).

The spelling of 1033423240 in words is "one billion, thirty-three million, four hundred twenty-three thousand, two hundred forty".