1023300120 has 96 divisors (see below), whose sum is σ = 3155619600. Its totient is φ = 265462272.

The previous prime is 1023300101. The next prime is 1023300127. The reversal of 1023300120 is 210033201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1023300096 and 1023300105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023300127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161166 + ... + 167394.

Almost surely, 2^1023300120 is an apocalyptic number.

1023300120 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 1023300120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577809800).

1023300120 is an abundant number, since it is smaller than the sum of its proper divisors (2132319480).

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

1023300120 is a wasteful number, since it uses less digits than its factorization.

1023300120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317 (or 6276 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1023300120 is about 31989.0625058003. The cubic root of 1023300120 is about 1007.7071538441.

Adding to 1023300120 its reverse (210033201), we get a palindrome (1233333321).

The spelling of 1023300120 in words is "one billion, twenty-three million, three hundred thousand, one hundred twenty".