1230323979 has 16 divisors (see below), whose sum is σ = 1668506112. Its totient is φ = 806296128.

The previous prime is 1230323977. The next prime is 1230324019. The reversal of 1230323979 is 9793230321.

It is not a de Polignac number, because 1230323979 - 2¹ = 1230323977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230323977) 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, 27802 + ... + 56864.

It is an arithmetic number, because the mean of its divisors is an integer number (104281632).

Almost surely, 2^1230323979 is an apocalyptic number.

1230323979 is a deficient number, since it is larger than the sum of its proper divisors (438182133).

1230323979 is a wasteful number, since it uses less digits than its factorization.

1230323979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29306.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 1230323979 is about 35075.9743841850. The cubic root of 1230323979 is about 1071.5353331050.

The spelling of 1230323979 in words is "one billion, two hundred thirty million, three hundred twenty-three thousand, nine hundred seventy-nine".