1023341640 has 32 divisors (see below), whose sum is σ = 3070025280. Its totient is φ = 272891072.

The previous prime is 1023341629. The next prime is 1023341663. The reversal of 1023341640 is 461433201.

It is a super-2 number, since 2×1023341640² = 2094456224315779200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1023341640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4263804 + ... + 4264043.

It is an arithmetic number, because the mean of its divisors is an integer number (95938290).

Almost surely, 2^1023341640 is an apocalyptic number.

1023341640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023341640 is an abundant number, since it is smaller than the sum of its proper divisors (2046683640).

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

1023341640 is a wasteful number, since it uses less digits than its factorization.

1023341640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527861 (or 8527857 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1023341640 is about 31989.7114710339. The cubic root of 1023341640 is about 1007.7207827669.

Adding to 1023341640 its reverse (461433201), we get a palindrome (1484774841).

The spelling of 1023341640 in words is "one billion, twenty-three million, three hundred forty-one thousand, six hundred forty".