234651021 has 8 divisors (see below), whose sum is σ = 341310624. Its totient is φ = 142212720.

The previous prime is 234651019. The next prime is 234651031. The reversal of 234651021 is 120156432.

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

It is not a de Polignac number, because 234651021 - 2¹ = 234651019 is a prime.

It is a super-2 number, since 2×234651021² = 110122203312684882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234650982 and 234651000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234651031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555286 + ... + 3555351.

It is an arithmetic number, because the mean of its divisors is an integer number (42663828).

Almost surely, 2^234651021 is an apocalyptic number.

It is an amenable number.

234651021 is a deficient number, since it is larger than the sum of its proper divisors (106659603).

234651021 is a wasteful number, since it uses less digits than its factorization.

234651021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110651.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 234651021 is about 15318.3230479057. The cubic root of 234651021 is about 616.7949596562.

The spelling of 234651021 in words is "two hundred thirty-four million, six hundred fifty-one thousand, twenty-one".