415561023 has 40 divisors (see below), whose sum is σ = 641034768. Its totient is φ = 268085376.

The previous prime is 415561009. The next prime is 415561037. The reversal of 415561023 is 320165514.

415561023 is a `hidden beast` number, since 4 + 1 + 556 + 102 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (415561009) and next prime (415561037).

It is not a de Polignac number, because 415561023 - 2¹³ = 415552831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415561043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 937840 + ... + 938282.

Almost surely, 2^415561023 is an apocalyptic number.

415561023 is a deficient number, since it is larger than the sum of its proper divisors (225473745).

415561023 is a wasteful number, since it uses less digits than its factorization.

415561023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 415561023 is about 20385.3139048679. The cubic root of 415561023 is about 746.2395609762.

The spelling of 415561023 in words is "four hundred fifteen million, five hundred sixty-one thousand, twenty-three".