232140551421 has 8 divisors (see below), whose sum is σ = 325811300320. Its totient is φ = 146615085072.

The previous prime is 232140551411. The next prime is 232140551437. The reversal of 232140551421 is 124155041232.

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

It is not a de Polignac number, because 232140551421 - 2¹⁴ = 232140535037 is a prime.

It is a super-2 number, since 2×232140551421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232140551411) 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, 2036320570 + ... + 2036320683.

It is an arithmetic number, because the mean of its divisors is an integer number (40726412540).

Almost surely, 2^232140551421 is an apocalyptic number.

It is an amenable number.

232140551421 is a deficient number, since it is larger than the sum of its proper divisors (93670748899).

232140551421 is a wasteful number, since it uses less digits than its factorization.

232140551421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072641275.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 232140551421 its reverse (124155041232), we get a palindrome (356295592653).

The spelling of 232140551421 in words is "two hundred thirty-two billion, one hundred forty million, five hundred fifty-one thousand, four hundred twenty-one".