9478195923 has 64 divisors (see below), whose sum is σ = 15613030400. Its totient is φ = 4993591680.

The previous prime is 9478195919. The next prime is 9478195927. The reversal of 9478195923 is 3295918749.

It is an interprime number because it is at equal distance from previous prime (9478195919) and next prime (9478195927).

It is not a de Polignac number, because 9478195923 - 2² = 9478195919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9478195927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5678133 + ... + 5679801.

It is an arithmetic number, because the mean of its divisors is an integer number (243953600).

Almost surely, 2^9478195923 is an apocalyptic number.

9478195923 is a deficient number, since it is larger than the sum of its proper divisors (6134834477).

9478195923 is a wasteful number, since it uses less digits than its factorization.

9478195923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its digits is 4898880, while the sum is 57.

The square root of 9478195923 is about 97356.0266393406. The cubic root of 9478195923 is about 2116.2902311980.

The spelling of 9478195923 in words is "nine billion, four hundred seventy-eight million, one hundred ninety-five thousand, nine hundred twenty-three".