613654023 has 4 divisors (see below), whose sum is σ = 818205368. Its totient is φ = 409102680.

The previous prime is 613653983. The next prime is 613654031. The reversal of 613654023 is 320456316.

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

It is not a de Polignac number, because 613654023 - 2⁸ = 613653767 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 (613654033) 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, 102275668 + ... + 102275673.

It is an arithmetic number, because the mean of its divisors is an integer number (204551342).

Almost surely, 2^613654023 is an apocalyptic number.

613654023 is a deficient number, since it is larger than the sum of its proper divisors (204551345).

613654023 is a wasteful number, since it uses less digits than its factorization.

613654023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204551344.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 613654023 is about 24772.0411553025. The cubic root of 613654023 is about 849.7826540024.

The spelling of 613654023 in words is "six hundred thirteen million, six hundred fifty-four thousand, twenty-three".