1423121230 has 8 divisors (see below), whose sum is σ = 2561618232. Its totient is φ = 569248488.

The previous prime is 1423121213. The next prime is 1423121257. The reversal of 1423121230 is 321213241.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1423121198 and 1423121207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71156052 + ... + 71156071.

It is an arithmetic number, because the mean of its divisors is an integer number (320202279).

Almost surely, 2^1423121230 is an apocalyptic number.

1423121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423121230 is a deficient number, since it is larger than the sum of its proper divisors (1138497002).

1423121230 is a wasteful number, since it uses less digits than its factorization.

1423121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142312130.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1423121230 is about 37724.2790520906. The cubic root of 1423121230 is about 1124.8137910736.

Adding to 1423121230 its reverse (321213241), we get a palindrome (1744334471).

The spelling of 1423121230 in words is "one billion, four hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty".