1423234121 has 16 divisors (see below), whose sum is σ = 1534141440. Its totient is φ = 1316301840.

The previous prime is 1423234103. The next prime is 1423234139. The reversal of 1423234121 is 1214323241.

It is an interprime number because it is at equal distance from previous prime (1423234103) and next prime (1423234139).

It is a cyclic number.

It is not a de Polignac number, because 1423234121 - 2¹⁴ = 1423217737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423234171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133826 + ... + 144068.

It is an arithmetic number, because the mean of its divisors is an integer number (95883840).

Almost surely, 2^1423234121 is an apocalyptic number.

It is an amenable number.

1423234121 is a deficient number, since it is larger than the sum of its proper divisors (110907319).

1423234121 is a wasteful number, since it uses less digits than its factorization.

1423234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436.

The product of its digits is 1152, while the sum is 23.

The square root of 1423234121 is about 37725.7752869308. The cubic root of 1423234121 is about 1124.8435327413.

Adding to 1423234121 its reverse (1214323241), we get a palindrome (2637557362).

The spelling of 1423234121 in words is "one billion, four hundred twenty-three million, two hundred thirty-four thousand, one hundred twenty-one".