23976145 has 4 divisors (see below), whose sum is σ = 28771380. Its totient is φ = 19180912.

The previous prime is 23976133. The next prime is 23976167. The reversal of 23976145 is 54167932.

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 8976016 + 15000129 = 2996^2 + 3873^2 .

It is a cyclic number.

It is not a de Polignac number, because 23976145 - 2¹³ = 23967953 is a prime.

It is a super-2 number, since 2×23976145² = 1149711058122050, which contains 22 as substring.

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, 2397610 + ... + 2397619.

It is an arithmetic number, because the mean of its divisors is an integer number (7192845).

Almost surely, 2^23976145 is an apocalyptic number.

It is an amenable number.

23976145 is a deficient number, since it is larger than the sum of its proper divisors (4795235).

23976145 is an equidigital number, since it uses as much as digits as its factorization.

23976145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795234.

The product of its digits is 45360, while the sum is 37.

The square root of 23976145 is about 4896.5441895280. The cubic root of 23976145 is about 288.3543133148.

The spelling of 23976145 in words is "twenty-three million, nine hundred seventy-six thousand, one hundred forty-five".