1023451000 has 256 divisors, whose sum is σ = 2986139520. Its totient is φ = 322560000.

The previous prime is 1023450997. The next prime is 1023451001. The reversal of 1023451000 is 1543201.

1023451000 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 (1023451001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2430790 + ... + 2431210.

Almost surely, 2^1023451000 is an apocalyptic number.

1023451000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023451000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493069760).

1023451000 is an abundant number, since it is smaller than the sum of its proper divisors (1962688520).

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

1023451000 is a wasteful number, since it uses less digits than its factorization.

1023451000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1023451000 is about 31991.4207249381. The cubic root of 1023451000 is about 1007.7566783776.

Adding to 1023451000 its reverse (1543201), we get a palindrome (1024994201).

The spelling of 1023451000 in words is "one billion, twenty-three million, four hundred fifty-one thousand".