231465669 has 8 divisors (see below), whose sum is σ = 312339552. Its totient is φ = 152451120.

The previous prime is 231465649. The next prime is 231465671. The reversal of 231465669 is 966564132.

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

It is not a de Polignac number, because 231465669 - 2¹³ = 231457477 is a prime.

It is a super-2 number, since 2×231465669² = 107152711851235122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231465669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231465649) 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, 464542 + ... + 465039.

It is an arithmetic number, because the mean of its divisors is an integer number (39042444).

Almost surely, 2^231465669 is an apocalyptic number.

It is an amenable number.

231465669 is a deficient number, since it is larger than the sum of its proper divisors (80873883).

231465669 is an equidigital number, since it uses as much as digits as its factorization.

231465669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929667.

The product of its digits is 233280, while the sum is 42.

The square root of 231465669 is about 15213.9958262121. The cubic root of 231465669 is about 613.9912685719.

The spelling of 231465669 in words is "two hundred thirty-one million, four hundred sixty-five thousand, six hundred sixty-nine".