1230343023 has 64 divisors (see below), whose sum is σ = 2146701312. Its totient is φ = 608256000.

The previous prime is 1230343019. The next prime is 1230343073. The reversal of 1230343023 is 3203430321.

It is not a de Polignac number, because 1230343023 - 2² = 1230343019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230343073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1637898 + ... + 1638648.

It is an arithmetic number, because the mean of its divisors is an integer number (33542208).

Almost surely, 2^1230343023 is an apocalyptic number.

1230343023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1230343023 is a deficient number, since it is larger than the sum of its proper divisors (916358289).

1230343023 is a wasteful number, since it uses less digits than its factorization.

1230343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1230343023 is about 35076.2458510029. The cubic root of 1230343023 is about 1071.5408617879.

Adding to 1230343023 its reverse (3203430321), we get a palindrome (4433773344).

The spelling of 1230343023 in words is "one billion, two hundred thirty million, three hundred forty-three thousand, twenty-three".