612955923 has 8 divisors (see below), whose sum is σ = 817561536. Its totient is φ = 408493800.

The previous prime is 612955921. The next prime is 612955933. The reversal of 612955923 is 329559216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612955923 - 2¹ = 612955921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612955921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25473 + ... + 43298.

It is an arithmetic number, because the mean of its divisors is an integer number (102195192).

Almost surely, 2^612955923 is an apocalyptic number.

612955923 is a deficient number, since it is larger than the sum of its proper divisors (204605613).

612955923 is a wasteful number, since it uses less digits than its factorization.

612955923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71745.

The product of its digits is 145800, while the sum is 42.

The square root of 612955923 is about 24757.9466636472. The cubic root of 612955923 is about 849.4602908318.

The spelling of 612955923 in words is "six hundred twelve million, nine hundred fifty-five thousand, nine hundred twenty-three".