232654421 has 4 divisors (see below), whose sum is σ = 232690572. Its totient is φ = 232618272.

The previous prime is 232654397. The next prime is 232654423. The reversal of 232654421 is 124456232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86583025 + 146071396 = 9305^2 + 12086^2 .

It is a cyclic number.

It is not a de Polignac number, because 232654421 - 2²² = 228460117 is a prime.

It is a super-2 number, since 2×232654421² = 108256159221690482, which 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 (232654423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510 + ... + 22263.

It is an arithmetic number, because the mean of its divisors is an integer number (58172643).

Almost surely, 2^232654421 is an apocalyptic number.

It is an amenable number.

232654421 is a deficient number, since it is larger than the sum of its proper divisors (36151).

232654421 is an equidigital number, since it uses as much as digits as its factorization.

232654421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36150.

The product of its digits is 11520, while the sum is 29.

The square root of 232654421 is about 15253.0135055339. The cubic root of 232654421 is about 615.0405781056.

The spelling of 232654421 in words is "two hundred thirty-two million, six hundred fifty-four thousand, four hundred twenty-one".