523423769 has 8 divisors (see below), whose sum is σ = 575505408. Its totient is φ = 472091760.

The previous prime is 523423757. The next prime is 523423801. The reversal of 523423769 is 967324325.

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

It is a cyclic number.

It is not a de Polignac number, because 523423769 - 2¹⁶ = 523358233 is a prime.

It is a super-2 number, since 2×523423769² = 547944883908330722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523423969) 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, 185942 + ... + 188735.

It is an arithmetic number, because the mean of its divisors is an integer number (71938176).

Almost surely, 2^523423769 is an apocalyptic number.

It is an amenable number.

523423769 is a deficient number, since it is larger than the sum of its proper divisors (52081639).

523423769 is a wasteful number, since it uses less digits than its factorization.

523423769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374815.

The product of its digits is 272160, while the sum is 41.

The square root of 523423769 is about 22878.4564383177. The cubic root of 523423769 is about 805.9061688454.

The spelling of 523423769 in words is "five hundred twenty-three million, four hundred twenty-three thousand, seven hundred sixty-nine".