1420323123 has 8 divisors (see below), whose sum is σ = 2005162128. Its totient is φ = 891183104.

The previous prime is 1420323119. The next prime is 1420323133. The reversal of 1420323123 is 3213230241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420323123 - 2² = 1420323119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420323123.

It is not an unprimeable number, because it can be changed into a prime (1420323133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13924686 + ... + 13924787.

It is an arithmetic number, because the mean of its divisors is an integer number (250645266).

Almost surely, 2^1420323123 is an apocalyptic number.

1420323123 is a deficient number, since it is larger than the sum of its proper divisors (584839005).

1420323123 is a wasteful number, since it uses less digits than its factorization.

1420323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27849493.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1420323123 is about 37687.1745160074. The cubic root of 1420323123 is about 1124.0761133832.

Adding to 1420323123 its reverse (3213230241), we get a palindrome (4633553364).

The spelling of 1420323123 in words is "one billion, four hundred twenty million, three hundred twenty-three thousand, one hundred twenty-three".