232391061 has 48 divisors (see below), whose sum is σ = 396264960. Its totient is φ = 128494080.

The previous prime is 232391039. The next prime is 232391063. The reversal of 232391061 is 160193232.

It is not a de Polignac number, because 232391061 - 2¹¹ = 232389013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232391063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263341 + ... + 264221.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^232391061 is an apocalyptic number.

232391061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232391061 is a deficient number, since it is larger than the sum of its proper divisors (163873899).

232391061 is a wasteful number, since it uses less digits than its factorization.

232391061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 232391061 is about 15244.3780128938. The cubic root of 232391061 is about 614.8084194062.

The spelling of 232391061 in words is "two hundred thirty-two million, three hundred ninety-one thousand, sixty-one".