234100421 has 16 divisors (see below), whose sum is σ = 252237888. Its totient is φ = 216480000.

The previous prime is 234100403. The next prime is 234100423. The reversal of 234100421 is 124001432.

It is a cyclic number.

It is not a de Polignac number, because 234100421 - 2¹⁸ = 233838277 is a prime.

It is a super-2 number, since 2×234100421² = 109606014224754482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234100421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234100423) 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, 353831 + ... + 354491.

It is an arithmetic number, because the mean of its divisors is an integer number (15764868).

Almost surely, 2^234100421 is an apocalyptic number.

It is an amenable number.

234100421 is a deficient number, since it is larger than the sum of its proper divisors (18137467).

234100421 is a wasteful number, since it uses less digits than its factorization.

234100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 234100421 is about 15300.3405517655. The cubic root of 234100421 is about 616.3121529255.

Adding to 234100421 its reverse (124001432), we get a palindrome (358101853).

The spelling of 234100421 in words is "two hundred thirty-four million, one hundred thousand, four hundred twenty-one".