232345690 has 32 divisors (see below), whose sum is σ = 422793360. Its totient is φ = 91929600.

The previous prime is 232345669. The next prime is 232345691. The reversal of 232345690 is 96543232.

232345690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 107599129 + 124746561 = 10373^2 + 11169^2 .

It is a super-2 number, since 2×232345690² = 107969039323152200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (232345691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551680 + ... + 552100.

Almost surely, 2^232345690 is an apocalyptic number.

232345690 is a deficient number, since it is larger than the sum of its proper divisors (190447670).

232345690 is a wasteful number, since it uses less digits than its factorization.

232345690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 232345690 is about 15242.8898178790. The cubic root of 232345690 is about 614.7684059791.

The spelling of 232345690 in words is "two hundred thirty-two million, three hundred forty-five thousand, six hundred ninety".