23377985 has 4 divisors (see below), whose sum is σ = 28053588. Its totient is φ = 18702384.

The previous prime is 23377979. The next prime is 23378011. The reversal of 23377985 is 58977332.

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 6130576 + 17247409 = 2476^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 23377985 - 2¹⁰ = 23376961 is a prime.

It is a Duffinian number.

It is a Curzon 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, 2337794 + ... + 2337803.

It is an arithmetic number, because the mean of its divisors is an integer number (7013397).

Almost surely, 2^23377985 is an apocalyptic number.

It is an amenable number.

23377985 is a deficient number, since it is larger than the sum of its proper divisors (4675603).

23377985 is an equidigital number, since it uses as much as digits as its factorization.

23377985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675602.

The product of its digits is 317520, while the sum is 44.

The square root of 23377985 is about 4835.0785929497. The cubic root of 23377985 is about 285.9361236061.

The spelling of 23377985 in words is "twenty-three million, three hundred seventy-seven thousand, nine hundred eighty-five".