2123070300 has 108 divisors (see below), whose sum is σ = 7166581240. Its totient is φ = 522599040.

The previous prime is 2123070277. The next prime is 2123070307. The reversal of 2123070300 is 30703212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123070307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79030 + ... + 102429.

Almost surely, 2^2123070300 is an apocalyptic number.

2123070300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123070300 is an abundant number, since it is smaller than the sum of its proper divisors (5043510940).

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

2123070300 is a wasteful number, since it uses less digits than its factorization.

2123070300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181492 (or 181482 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2123070300 is about 46076.7869973591. The cubic root of 2123070300 is about 1285.2515165235.

Adding to 2123070300 its reverse (30703212), we get a palindrome (2153773512).

The spelling of 2123070300 in words is "two billion, one hundred twenty-three million, seventy thousand, three hundred".