234430221381 has 8 divisors (see below), whose sum is σ = 312810611520. Its totient is φ = 156168322752.

The previous prime is 234430221349. The next prime is 234430221407. The reversal of 234430221381 is 183122034432.

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

It is not a de Polignac number, because 234430221381 - 2⁵ = 234430221349 is a prime.

It is a super-2 number, since 2×234430221381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234430221301) 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, 29618260 + ... + 29626173.

It is an arithmetic number, because the mean of its divisors is an integer number (39101326440).

Almost surely, 2^234430221381 is an apocalyptic number.

It is an amenable number.

234430221381 is a deficient number, since it is larger than the sum of its proper divisors (78380390139).

234430221381 is a wasteful number, since it uses less digits than its factorization.

234430221381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59245755.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 234430221381 in words is "two hundred thirty-four billion, four hundred thirty million, two hundred twenty-one thousand, three hundred eighty-one".