230723420190 has 64 divisors (see below), whose sum is σ = 556257506112. Its totient is φ = 61246310400.

The previous prime is 230723420189. The next prime is 230723420197. The reversal of 230723420190 is 91024327032.

It is a super-2 number, since 2×230723420190² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230723420197) 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, 24382060 + ... + 24391520.

It is an arithmetic number, because the mean of its divisors is an integer number (8691523533).

Almost surely, 2^230723420190 is an apocalyptic number.

230723420190 is an abundant number, since it is smaller than the sum of its proper divisors (325534085922).

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

230723420190 is a wasteful number, since it uses less digits than its factorization.

230723420190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 230723420190 in words is "two hundred thirty billion, seven hundred twenty-three million, four hundred twenty thousand, one hundred ninety".