232021340409 has 4 divisors (see below), whose sum is σ = 309361787216. Its totient is φ = 154680893604.

The previous prime is 232021340393. The next prime is 232021340429. The reversal of 232021340409 is 904043120232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 232021340409 - 2⁴ = 232021340393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232021340429) 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, 38670223399 + ... + 38670223404.

It is an arithmetic number, because the mean of its divisors is an integer number (77340446804).

Almost surely, 2^232021340409 is an apocalyptic number.

It is an amenable number.

232021340409 is a deficient number, since it is larger than the sum of its proper divisors (77340446807).

232021340409 is an equidigital number, since it uses as much as digits as its factorization.

232021340409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77340446806.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 232021340409 in words is "two hundred thirty-two billion, twenty-one million, three hundred forty thousand, four hundred nine".