1023530452000 has 192 divisors, whose sum is σ = 2999035113984. Its totient is φ = 335666918400.

The previous prime is 1023530451959. The next prime is 1023530452001. The reversal of 1023530452000 is 2540353201.

It is a super-2 number, since 2×1023530452000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1023530452001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150667 + ... + 1438666.

It is an arithmetic number, because the mean of its divisors is an integer number (15619974552).

Almost surely, 2^{1023530452000} is an apocalyptic number.

1023530452000 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 1023530452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499517556992).

1023530452000 is an abundant number, since it is smaller than the sum of its proper divisors (1975504661984).

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

1023530452000 is a wasteful number, since it uses less digits than its factorization.

1023530452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589388 (or 1589370 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 1023530452000 in words is "one trillion, twenty-three billion, five hundred thirty million, four hundred fifty-two thousand".