123581467 has 4 divisors (see below), whose sum is σ = 123628360. Its totient is φ = 123534576.

The previous prime is 123581431. The next prime is 123581473. The reversal of 123581467 is 764185321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123581467 - 2¹¹ = 123579419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123581767) 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, 19242 + ... + 24847.

It is an arithmetic number, because the mean of its divisors is an integer number (30907090).

Almost surely, 2^123581467 is an apocalyptic number.

123581467 is a deficient number, since it is larger than the sum of its proper divisors (46893).

123581467 is an equidigital number, since it uses as much as digits as its factorization.

123581467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46892.

The product of its digits is 40320, while the sum is 37.

The square root of 123581467 is about 11116.7201547939. The cubic root of 123581467 is about 498.1014225992.

The spelling of 123581467 in words is "one hundred twenty-three million, five hundred eighty-one thousand, four hundred sixty-seven".