230112551 has 4 divisors (see below), whose sum is σ = 230581704. Its totient is φ = 229643400.

The previous prime is 230112529. The next prime is 230112559. The reversal of 230112551 is 155211032.

It is a happy number.

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 230112551 - 2¹⁸ = 229850407 is a prime.

It is a super-2 number, since 2×230112551² = 105903572255455202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230112559) 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, 233840 + ... + 234821.

It is an arithmetic number, because the mean of its divisors is an integer number (57645426).

Almost surely, 2^230112551 is an apocalyptic number.

230112551 is a deficient number, since it is larger than the sum of its proper divisors (469153).

230112551 is an equidigital number, since it uses as much as digits as its factorization.

230112551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469152.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 230112551 is about 15169.4611308378. The cubic root of 230112551 is about 612.7924920385.

Adding to 230112551 its reverse (155211032), we get a palindrome (385323583).

The spelling of 230112551 in words is "two hundred thirty million, one hundred twelve thousand, five hundred fifty-one".