1300223100 has 72 divisors (see below), whose sum is σ = 4103987328. Its totient is φ = 315204800.

The previous prime is 1300223069. The next prime is 1300223101. The reversal of 1300223100 is 13220031.

It is a happy number.

It is a super-3 number, since 3×1300223100³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300223101) 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, 193704 + ... + 200303.

It is an arithmetic number, because the mean of its divisors is an integer number (56999824).

Almost surely, 2^1300223100 is an apocalyptic number.

1300223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300223100 is an abundant number, since it is smaller than the sum of its proper divisors (2803764228).

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

1300223100 is a wasteful number, since it uses less digits than its factorization.

1300223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394035 (or 394028 counting only the distinct ones).

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

The square root of 1300223100 is about 36058.6064622581. The cubic root of 1300223100 is about 1091.4553127597.

Adding to 1300223100 its reverse (13220031), we get a palindrome (1313443131).

The spelling of 1300223100 in words is "one billion, three hundred million, two hundred twenty-three thousand, one hundred".