230042421 has 12 divisors (see below), whose sum is σ = 379752672. Its totient is φ = 131452776.

The previous prime is 230042411. The next prime is 230042437. The reversal of 230042421 is 124240032.

It is not a de Polignac number, because 230042421 - 2¹¹ = 230040373 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230042394 and 230042403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230042411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1825671 + ... + 1825796.

It is an arithmetic number, because the mean of its divisors is an integer number (31646056).

Almost surely, 2^230042421 is an apocalyptic number.

230042421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230042421 is a deficient number, since it is larger than the sum of its proper divisors (149710251).

230042421 is a wasteful number, since it uses less digits than its factorization.

230042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651480 (or 3651477 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 230042421 is about 15167.1494025740. The cubic root of 230042421 is about 612.7302333687.

Adding to 230042421 its reverse (124240032), we get a palindrome (354282453).

It can be divided in two parts, 23004 and 2421, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 230042421 in words is "two hundred thirty million, forty-two thousand, four hundred twenty-one".