234101421 has 10 divisors (see below), whose sum is σ = 349707182. Its totient is φ = 156067560.

The previous prime is 234101419. The next prime is 234101423. The reversal of 234101421 is 124101432.

234101421 is a `hidden beast` number, since 234 + 10 + 1 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (234101419) and next prime (234101423).

It can be written as a sum of positive squares in only one way, i.e., 201952521 + 32148900 = 14211^2 + 5670^2 .

It is not a de Polignac number, because 234101421 - 2¹ = 234101419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234101394 and 234101403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234101423) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1444990 + ... + 1445151.

Almost surely, 2^234101421 is an apocalyptic number.

It is an amenable number.

234101421 is a deficient number, since it is larger than the sum of its proper divisors (115605761).

234101421 is an equidigital number, since it uses as much as digits as its factorization.

234101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890153 (or 2890144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 234101421 is about 15300.3732307418. The cubic root of 234101421 is about 616.3130304852.

Adding to 234101421 its reverse (124101432), we get a palindrome (358202853).

The spelling of 234101421 in words is "two hundred thirty-four million, one hundred one thousand, four hundred twenty-one".