123432346 has 4 divisors (see below), whose sum is σ = 185148522. Its totient is φ = 61716172.

The previous prime is 123432319. The next prime is 123432347. The reversal of 123432346 is 643234321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643234321 = 17 ⋅37837313.

It can be written as a sum of positive squares in only one way, i.e., 118570321 + 4862025 = 10889^2 + 2205^2 .

It is not an unprimeable number, because it can be changed into a prime (123432347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30858085 + ... + 30858088.

Almost surely, 2^123432346 is an apocalyptic number.

123432346 is a deficient number, since it is larger than the sum of its proper divisors (61716176).

123432346 is an equidigital number, since it uses as much as digits as its factorization.

123432346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61716175.

The product of its digits is 10368, while the sum is 28.

The square root of 123432346 is about 11110.0110711016. The cubic root of 123432346 is about 497.9009953561.

Adding to 123432346 its reverse (643234321), we get a palindrome (766666667).

The spelling of 123432346 in words is "one hundred twenty-three million, four hundred thirty-two thousand, three hundred forty-six".