612234523 has 4 divisors (see below), whose sum is σ = 628781440. Its totient is φ = 595687608.

The previous prime is 612234517. The next prime is 612234527. The reversal of 612234523 is 325432216.

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 612234523 - 2²¹ = 610137371 is a prime.

It is a super-2 number, since 2×612234523² = 749662222306075058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612234491 and 612234500.

It is not an unprimeable number, because it can be changed into a prime (612234527) 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, 8273403 + ... + 8273476.

It is an arithmetic number, because the mean of its divisors is an integer number (157195360).

Almost surely, 2^612234523 is an apocalyptic number.

612234523 is a deficient number, since it is larger than the sum of its proper divisors (16546917).

612234523 is a wasteful number, since it uses less digits than its factorization.

612234523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16546916.

The product of its digits is 8640, while the sum is 28.

The square root of 612234523 is about 24743.3733148898. The cubic root of 612234523 is about 849.1269111146.

Adding to 612234523 its reverse (325432216), we get a palindrome (937666739).

The spelling of 612234523 in words is "six hundred twelve million, two hundred thirty-four thousand, five hundred twenty-three".