123340461 has 4 divisors (see below), whose sum is σ = 164453952. Its totient is φ = 82226972.

The previous prime is 123340411. The next prime is 123340471. The reversal of 123340461 is 164043321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123340461 - 2⁶ = 123340397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123340411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20556741 + ... + 20556746.

It is an arithmetic number, because the mean of its divisors is an integer number (41113488).

Almost surely, 2^123340461 is an apocalyptic number.

It is an amenable number.

123340461 is a deficient number, since it is larger than the sum of its proper divisors (41113491).

123340461 is an equidigital number, since it uses as much as digits as its factorization.

123340461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41113490.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 123340461 is about 11105.8750668284. The cubic root of 123340461 is about 497.7774162150. Note that the first 3 decimals are identical.

Adding to 123340461 its reverse (164043321), we get a palindrome (287383782).

The spelling of 123340461 in words is "one hundred twenty-three million, three hundred forty thousand, four hundred sixty-one".