1230892823 has 4 divisors (see below), whose sum is σ = 1257082080. Its totient is φ = 1204703568.

The previous prime is 1230892807. The next prime is 1230892847. The reversal of 1230892823 is 3282980321.

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 1230892823 - 2⁴ = 1230892807 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 (1230895823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13094558 + ... + 13094651.

It is an arithmetic number, because the mean of its divisors is an integer number (314270520).

Almost surely, 2^1230892823 is an apocalyptic number.

1230892823 is a deficient number, since it is larger than the sum of its proper divisors (26189257).

1230892823 is an equidigital number, since it uses as much as digits as its factorization.

1230892823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26189256.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1230892823 is about 35084.0821883657. The cubic root of 1230892823 is about 1071.7004501904.

The spelling of 1230892823 in words is "one billion, two hundred thirty million, eight hundred ninety-two thousand, eight hundred twenty-three".