23378745 has 16 divisors (see below), whose sum is σ = 40283712. Its totient is φ = 11509440.

The previous prime is 23378737. The next prime is 23378753. The reversal of 23378745 is 54787332.

It is an interprime number because it is at equal distance from previous prime (23378737) and next prime (23378753).

It is not a de Polignac number, because 23378745 - 2³ = 23378737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59751 + ... + 60140.

It is an arithmetic number, because the mean of its divisors is an integer number (2517732).

Almost surely, 2^23378745 is an apocalyptic number.

It is an amenable number.

23378745 is a deficient number, since it is larger than the sum of its proper divisors (16904967).

23378745 is a wasteful number, since it uses less digits than its factorization.

23378745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119912.

The product of its digits is 141120, while the sum is 39.

The square root of 23378745 is about 4835.1571846218. The cubic root of 23378745 is about 285.9392220924.

The spelling of 23378745 in words is "twenty-three million, three hundred seventy-eight thousand, seven hundred forty-five".