654104623 has 4 divisors (see below), whose sum is σ = 654356808. Its totient is φ = 653852440.

The previous prime is 654104587. The next prime is 654104651. The reversal of 654104623 is 326401456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654104623 - 2¹³ = 654096431 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 (654104663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122161 + ... + 127402.

It is an arithmetic number, because the mean of its divisors is an integer number (163589202).

Almost surely, 2^654104623 is an apocalyptic number.

654104623 is a deficient number, since it is larger than the sum of its proper divisors (252185).

654104623 is a wasteful number, since it uses less digits than its factorization.

654104623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252184.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 654104623 is about 25575.4691648071. The cubic root of 654104623 is about 868.0586575599.

The spelling of 654104623 in words is "six hundred fifty-four million, one hundred four thousand, six hundred twenty-three".