234102421 has 8 divisors (see below), whose sum is σ = 276176384. Its totient is φ = 194186160.

The previous prime is 234102373. The next prime is 234102469. The reversal of 234102421 is 124201432.

It is an interprime number because it is at equal distance from previous prime (234102373) and next prime (234102469).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234102421 - 2²¹ = 232005269 is a prime.

It is a super-2 number, since 2×234102421² = 109607887036122482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234102481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539190 + ... + 539623.

It is an arithmetic number, because the mean of its divisors is an integer number (34522048).

Almost surely, 2^234102421 is an apocalyptic number.

It is an amenable number.

234102421 is a deficient number, since it is larger than the sum of its proper divisors (42073963).

234102421 is a wasteful number, since it uses less digits than its factorization.

234102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078851.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 234102421 is about 15300.4059096483. The cubic root of 234102421 is about 616.3139080424.

Adding to 234102421 its reverse (124201432), we get a palindrome (358303853).

The spelling of 234102421 in words is "two hundred thirty-four million, one hundred two thousand, four hundred twenty-one".