1235023423 has 8 divisors (see below), whose sum is σ = 1241049600. Its totient is φ = 1229012568.

The previous prime is 1235023403. The next prime is 1235023501. The reversal of 1235023423 is 3243205321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1235023423 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 (1235023403) 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 7 ways as a sum of consecutive naturals, for example, 178140 + ... + 184942.

It is an arithmetic number, because the mean of its divisors is an integer number (155131200).

Almost surely, 2^1235023423 is an apocalyptic number.

1235023423 is a deficient number, since it is larger than the sum of its proper divisors (6026177).

1235023423 is an equidigital number, since it uses as much as digits as its factorization.

1235023423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1235023423 is about 35142.9000368495. The cubic root of 1235023423 is about 1072.8979070997.

Adding to 1235023423 its reverse (3243205321), we get a palindrome (4478228744).

The spelling of 1235023423 in words is "one billion, two hundred thirty-five million, twenty-three thousand, four hundred twenty-three".