230231901900 has 576 divisors, whose sum is σ = 925270778880. Its totient is φ = 42635980800.

The previous prime is 230231901869. The next prime is 230231901917. The reversal of 230231901900 is 9109132032.

It is a happy number.

It is a super-2 number, since 2×230231901900² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8695482 + ... + 8721918.

It is an arithmetic number, because the mean of its divisors is an integer number (1606372880).

Almost surely, 2^230231901900 is an apocalyptic number.

230231901900 is a gapful number since it is divisible by the number (20) 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 230231901900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462635389440).

230231901900 is an abundant number, since it is smaller than the sum of its proper divisors (695038876980).

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

230231901900 is a wasteful number, since it uses less digits than its factorization.

230231901900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26514 (or 26507 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 230231901900 in words is "two hundred thirty billion, two hundred thirty-one million, nine hundred one thousand, nine hundred".