232344021 has 32 divisors (see below), whose sum is σ = 386684928. Its totient is φ = 120818880.

The previous prime is 232343963. The next prime is 232344031. The reversal of 232344021 is 120443232.

It is not a de Polignac number, because 232344021 - 2⁹ = 232343509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232344031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13390 + ... + 25376.

It is an arithmetic number, because the mean of its divisors is an integer number (12083904).

Almost surely, 2^232344021 is an apocalyptic number.

232344021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232344021 is a deficient number, since it is larger than the sum of its proper divisors (154340907).

232344021 is a wasteful number, since it uses less digits than its factorization.

232344021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12081.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 232344021 is about 15242.8350709440. The cubic root of 232344021 is about 614.7669339614.

Adding to 232344021 its reverse (120443232), we get a palindrome (352787253).

The spelling of 232344021 in words is "two hundred thirty-two million, three hundred forty-four thousand, twenty-one".