923155394 has 24 divisors (see below), whose sum is σ = 1695594960. Its totient is φ = 374814216.

The previous prime is 923155391. The next prime is 923155399. The reversal of 923155394 is 493551329.

923155394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (923155391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246032 + ... + 249755.

It is an arithmetic number, because the mean of its divisors is an integer number (70649790).

Almost surely, 2^923155394 is an apocalyptic number.

923155394 is a deficient number, since it is larger than the sum of its proper divisors (772439566).

923155394 is a wasteful number, since it uses less digits than its factorization.

923155394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495822 (or 495815 counting only the distinct ones).

The product of its digits is 145800, while the sum is 41.

The square root of 923155394 is about 30383.4723822015. The cubic root of 923155394 is about 973.6994780555.

The spelling of 923155394 in words is "nine hundred twenty-three million, one hundred fifty-five thousand, three hundred ninety-four".