230621279 has 16 divisors (see below), whose sum is σ = 268232256. Its totient is φ = 194208000.

The previous prime is 230621233. The next prime is 230621309. The reversal of 230621279 is 972126032.

It is a happy number.

It is not a de Polignac number, because 230621279 - 2²⁴ = 213844063 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 (230621579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95669 + ... + 98049.

It is an arithmetic number, because the mean of its divisors is an integer number (16764516).

Almost surely, 2^230621279 is an apocalyptic number.

230621279 is a deficient number, since it is larger than the sum of its proper divisors (37610977).

230621279 is a wasteful number, since it uses less digits than its factorization.

230621279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 230621279 is about 15186.2200365990. The cubic root of 230621279 is about 613.2437425916.

The spelling of 230621279 in words is "two hundred thirty million, six hundred twenty-one thousand, two hundred seventy-nine".