230143400421 has 16 divisors (see below), whose sum is σ = 334896780288. Its totient is φ = 139421372400.

The previous prime is 230143400381. The next prime is 230143400441. The reversal of 230143400421 is 124004341032.

It is not a de Polignac number, because 230143400421 - 2²⁷ = 230009182693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230143400391 and 230143400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230143400441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408285 + ... + 1563186.

It is an arithmetic number, because the mean of its divisors is an integer number (20931048768).

Almost surely, 2^230143400421 is an apocalyptic number.

It is an amenable number.

230143400421 is a deficient number, since it is larger than the sum of its proper divisors (104753379867).

230143400421 is a wasteful number, since it uses less digits than its factorization.

230143400421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973832.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 230143400421 its reverse (124004341032), we get a palindrome (354147741453).

The spelling of 230143400421 in words is "two hundred thirty billion, one hundred forty-three million, four hundred thousand, four hundred twenty-one".