1023496340 has 12 divisors (see below), whose sum is σ = 2149342356. Its totient is φ = 409398528.

The previous prime is 1023496321. The next prime is 1023496367. The reversal of 1023496340 is 436943201.

It can be written as a sum of positive squares in 2 ways, for example, as 384316816 + 639179524 = 19604^2 + 25282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023496297 and 1023496306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25587389 + ... + 25587428.

It is an arithmetic number, because the mean of its divisors is an integer number (179111863).

Almost surely, 2^1023496340 is an apocalyptic number.

1023496340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023496340 is an abundant number, since it is smaller than the sum of its proper divisors (1125846016).

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

1023496340 is a wasteful number, since it uses less digits than its factorization.

1023496340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51174826 (or 51174824 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1023496340 is about 31992.1293445747. The cubic root of 1023496340 is about 1007.7715597327.

The spelling of 1023496340 in words is "one billion, twenty-three million, four hundred ninety-six thousand, three hundred forty".