1415023123 has 4 divisors (see below), whose sum is σ = 1417409928. Its totient is φ = 1412636320.

The previous prime is 1415023087. The next prime is 1415023139. The reversal of 1415023123 is 3213205141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1415023123 - 2⁹ = 1415022611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1415023094 and 1415023103.

It is not an unprimeable number, because it can be changed into a prime (1415024123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192513 + ... + 1193698.

It is an arithmetic number, because the mean of its divisors is an integer number (354352482).

Almost surely, 2^1415023123 is an apocalyptic number.

1415023123 is a deficient number, since it is larger than the sum of its proper divisors (2386805).

1415023123 is an equidigital number, since it uses as much as digits as its factorization.

1415023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386804.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1415023123 is about 37616.7930982959. The cubic root of 1415023123 is about 1122.6761903515.

Adding to 1415023123 its reverse (3213205141), we get a palindrome (4628228264).

It can be divided in two parts, 14150 and 23123, that added together give a palindrome (37273).

The spelling of 1415023123 in words is "one billion, four hundred fifteen million, twenty-three thousand, one hundred twenty-three".