1230231986 has 16 divisors (see below), whose sum is σ = 1855491840. Its totient is φ = 611744400.

The previous prime is 1230231983. The next prime is 1230232037. The reversal of 1230231986 is 6891320321.

It is not an unprimeable number, because it can be changed into a prime (1230231983) 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, 301661 + ... + 305711.

It is an arithmetic number, because the mean of its divisors is an integer number (115968240).

Almost surely, 2^1230231986 is an apocalyptic number.

1230231986 is a deficient number, since it is larger than the sum of its proper divisors (625259854).

1230231986 is a wasteful number, since it uses less digits than its factorization.

1230231986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1230231986 is about 35074.6630204768. The cubic root of 1230231986 is about 1071.5086257204.

The spelling of 1230231986 in words is "one billion, two hundred thirty million, two hundred thirty-one thousand, nine hundred eighty-six".