1023021400 has 48 divisors (see below), whose sum is σ = 2460556800. Its totient is φ = 395095680.

The previous prime is 1023021383. The next prime is 1023021401. The reversal of 1023021400 is 41203201.

1023021400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023021401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82392 + ... + 93991.

It is an arithmetic number, because the mean of its divisors is an integer number (51261600).

Almost surely, 2^1023021400 is an apocalyptic number.

1023021400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023021400 is an abundant number, since it is smaller than the sum of its proper divisors (1437535400).

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

1023021400 is a wasteful number, since it uses less digits than its factorization.

1023021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176428 (or 176419 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1023021400 is about 31984.7057200782. The cubic root of 1023021400 is about 1007.6156545740.

Adding to 1023021400 its reverse (41203201), we get a palindrome (1064224601).

The spelling of 1023021400 in words is "one billion, twenty-three million, twenty-one thousand, four hundred".