945550823 has 16 divisors (see below), whose sum is σ = 1098100800. Its totient is φ = 797423616.

The previous prime is 945550817. The next prime is 945550831. The reversal of 945550823 is 328055549.

It is a cyclic number.

It is not a de Polignac number, because 945550823 - 2¹² = 945546727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945550843) 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, 231503 + ... + 235551.

It is an arithmetic number, because the mean of its divisors is an integer number (68631300).

Almost surely, 2^945550823 is an apocalyptic number.

945550823 is a deficient number, since it is larger than the sum of its proper divisors (152549977).

945550823 is a wasteful number, since it uses less digits than its factorization.

945550823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 945550823 is about 30749.8101294951. The cubic root of 945550823 is about 981.5105204213.

The spelling of 945550823 in words is "nine hundred forty-five million, five hundred fifty thousand, eight hundred twenty-three".