1415023523 has 4 divisors (see below), whose sum is σ = 1453267440. Its totient is φ = 1376779608.

The previous prime is 1415023517. The next prime is 1415023559. The reversal of 1415023523 is 3253205141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3253205141 = 50047 ⋅65003.

It is a cyclic number.

It is not a de Polignac number, because 1415023523 - 2⁴ = 1415023507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1415023492 and 1415023501.

It is not an unprimeable number, because it can be changed into a prime (1415029523) 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, 19121903 + ... + 19121976.

It is an arithmetic number, because the mean of its divisors is an integer number (363316860).

Almost surely, 2^1415023523 is an apocalyptic number.

1415023523 is a deficient number, since it is larger than the sum of its proper divisors (38243917).

1415023523 is an equidigital number, since it uses as much as digits as its factorization.

1415023523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38243916.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1415023523 is about 37616.7984150698. The cubic root of 1415023523 is about 1122.6762961378.

Adding to 1415023523 its reverse (3253205141), we get a palindrome (4668228664).

It can be divided in two parts, 14150 and 23523, that added together give a palindrome (37673).

The spelling of 1415023523 in words is "one billion, four hundred fifteen million, twenty-three thousand, five hundred twenty-three".