1423009123 has 24 divisors (see below), whose sum is σ = 1597996400. Its totient is φ = 1263403008.

The previous prime is 1423009079. The next prime is 1423009139. The reversal of 1423009123 is 3219003241.

It is not a de Polignac number, because 1423009123 - 2²¹ = 1420911971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423009823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1850083 + ... + 1850851.

Almost surely, 2^1423009123 is an apocalyptic number.

1423009123 is a deficient number, since it is larger than the sum of its proper divisors (174987277).

1423009123 is a wasteful number, since it uses less digits than its factorization.

1423009123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1423009123 is about 37722.7931495005. The cubic root of 1423009123 is about 1124.7842543978.

The spelling of 1423009123 in words is "one billion, four hundred twenty-three million, nine thousand, one hundred twenty-three".