1230654693 has 4 divisors (see below), whose sum is σ = 1640872928. Its totient is φ = 820436460.

The previous prime is 1230654683. The next prime is 1230654739. The reversal of 1230654693 is 3964560321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1230654693 - 2¹⁴ = 1230638309 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 (1230654613) 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, 205109113 + ... + 205109118.

It is an arithmetic number, because the mean of its divisors is an integer number (410218232).

Almost surely, 2^1230654693 is an apocalyptic number.

It is an amenable number.

1230654693 is a deficient number, since it is larger than the sum of its proper divisors (410218235).

1230654693 is an equidigital number, since it uses as much as digits as its factorization.

1230654693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410218234.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 1230654693 is about 35080.6883199290. The cubic root of 1230654693 is about 1071.6313349156.

The spelling of 1230654693 in words is "one billion, two hundred thirty million, six hundred fifty-four thousand, six hundred ninety-three".