23417145 has 12 divisors (see below), whose sum is σ = 40589796. Its totient is φ = 12489120.

The previous prime is 23417129. The next prime is 23417161. The reversal of 23417145 is 54171432.

It is an interprime number because it is at equal distance from previous prime (23417129) and next prime (23417161).

It can be written as a sum of positive squares in 2 ways, for example, as 3059001 + 20358144 = 1749^2 + 4512^2 .

It is not a de Polignac number, because 23417145 - 2⁴ = 23417129 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260146 + ... + 260235.

It is an arithmetic number, because the mean of its divisors is an integer number (3382483).

Almost surely, 2^23417145 is an apocalyptic number.

It is an amenable number.

23417145 is a deficient number, since it is larger than the sum of its proper divisors (17172651).

23417145 is a wasteful number, since it uses less digits than its factorization.

23417145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520392 (or 520389 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 23417145 is about 4839.1264707590. The cubic root of 23417145 is about 286.0956898577.

Adding to 23417145 its reverse (54171432), we get a palindrome (77588577).

The spelling of 23417145 in words is "twenty-three million, four hundred seventeen thousand, one hundred forty-five".