905254923 has 18 divisors (see below), whose sum is σ = 1252153084. Its totient is φ = 581720048.

The previous prime is 905254859. The next prime is 905254937. The reversal of 905254923 is 329452509.

905254923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 905254923 - 2⁶ = 905254859 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (905254123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1510978 + ... + 1511576.

Almost surely, 2^905254923 is an apocalyptic number.

905254923 is a deficient number, since it is larger than the sum of its proper divisors (346898161).

905254923 is an frugal number, since it uses more digits than its factorization.

905254923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 905254923 is about 30087.4545782790. The cubic root of 905254923 is about 967.3648400685.

Multiplying 905254923 by its product of nonzero digits (97200), we get a square (87990778515600 = 9380340²).

The spelling of 905254923 in words is "nine hundred five million, two hundred fifty-four thousand, nine hundred twenty-three".