916455423 has 16 divisors (see below), whose sum is σ = 1319683680. Its totient is φ = 562366464.

The previous prime is 916455409. The next prime is 916455439. The reversal of 916455423 is 324554619.

It is not a de Polignac number, because 916455423 - 2⁸ = 916455167 is a prime.

It is a super-2 number, since 2×916455423² = 1679781084692217858, which contains 22 as substring.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916455403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19518 + ... + 47051.

It is an arithmetic number, because the mean of its divisors is an integer number (82480230).

Almost surely, 2^916455423 is an apocalyptic number.

916455423 is a deficient number, since it is larger than the sum of its proper divisors (403228257).

916455423 is a wasteful number, since it uses less digits than its factorization.

916455423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66938.

The product of its digits is 129600, while the sum is 39.

The square root of 916455423 is about 30273.0147656291. The cubic root of 916455423 is about 971.3381548828.

The spelling of 916455423 in words is "nine hundred sixteen million, four hundred fifty-five thousand, four hundred twenty-three".