1023270340 has 12 divisors (see below), whose sum is σ = 2148867756. Its totient is φ = 409308128.

The previous prime is 1023270317. The next prime is 1023270343. The reversal of 1023270340 is 430723201.

It can be written as a sum of positive squares in 2 ways, for example, as 214095424 + 809174916 = 14632^2 + 28446^2 .

It is not an unprimeable number, because it can be changed into a prime (1023270343) 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, 25581739 + ... + 25581778.

It is an arithmetic number, because the mean of its divisors is an integer number (179072313).

Almost surely, 2^1023270340 is an apocalyptic number.

1023270340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023270340 is an abundant number, since it is smaller than the sum of its proper divisors (1125597416).

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

1023270340 is a wasteful number, since it uses less digits than its factorization.

1023270340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51163526 (or 51163524 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1023270340 is about 31988.5970308171. The cubic root of 1023270340 is about 1007.6973783443.

Adding to 1023270340 its reverse (430723201), we get a palindrome (1453993541).

The spelling of 1023270340 in words is "one billion, twenty-three million, two hundred seventy thousand, three hundred forty".