1023135400 has 48 divisors (see below), whose sum is σ = 2718620640. Its totient is φ = 350788800.

The previous prime is 1023135383. The next prime is 1023135431. The reversal of 1023135400 is 45313201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364006 + ... + 366805.

It is an arithmetic number, because the mean of its divisors is an integer number (56637930).

Almost surely, 2^1023135400 is an apocalyptic number.

1023135400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023135400 is an abundant number, since it is smaller than the sum of its proper divisors (1695485240).

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

1023135400 is a wasteful number, since it uses less digits than its factorization.

1023135400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730834 (or 730825 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1023135400 is about 31986.4877721828. The cubic root of 1023135400 is about 1007.6530809394.

Adding to 1023135400 its reverse (45313201), we get a palindrome (1068448601).

The spelling of 1023135400 in words is "one billion, twenty-three million, one hundred thirty-five thousand, four hundred".