123465434 has 4 divisors (see below), whose sum is σ = 185198154. Its totient is φ = 61732716.

The previous prime is 123465431. The next prime is 123465437. The reversal of 123465434 is 434564321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434564321 = 43 ⋅10106147.

It is an interprime number because it is at equal distance from previous prime (123465431) and next prime (123465437).

It can be written as a sum of positive squares in only one way, i.e., 91259809 + 32205625 = 9553^2 + 5675^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123465434.

It is not an unprimeable number, because it can be changed into a prime (123465431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30866357 + ... + 30866360.

Almost surely, 2^123465434 is an apocalyptic number.

123465434 is a deficient number, since it is larger than the sum of its proper divisors (61732720).

123465434 is an equidigital number, since it uses as much as digits as its factorization.

123465434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61732719.

The product of its digits is 34560, while the sum is 32.

The square root of 123465434 is about 11111.5000787472. The cubic root of 123465434 is about 497.9454814702.

The spelling of 123465434 in words is "one hundred twenty-three million, four hundred sixty-five thousand, four hundred thirty-four".