123487465 has 4 divisors (see below), whose sum is σ = 148184964. Its totient is φ = 98789968.

The previous prime is 123487451. The next prime is 123487501. The reversal of 123487465 is 564784321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55771024 + 67716441 = 7468^2 + 8229^2 .

It is a cyclic number.

It is not a de Polignac number, because 123487465 - 2⁵ = 123487433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12348742 + ... + 12348751.

It is an arithmetic number, because the mean of its divisors is an integer number (37046241).

Almost surely, 2^123487465 is an apocalyptic number.

It is an amenable number.

123487465 is a deficient number, since it is larger than the sum of its proper divisors (24697499).

123487465 is an equidigital number, since it uses as much as digits as its factorization.

123487465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24697498.

The product of its digits is 161280, while the sum is 40.

The square root of 123487465 is about 11112.4913948223. The cubic root of 123487465 is about 497.9750972747.

The spelling of 123487465 in words is "one hundred twenty-three million, four hundred eighty-seven thousand, four hundred sixty-five".