1513403423 has 8 divisors (see below), whose sum is σ = 1730827392. Its totient is φ = 1296285336.

The previous prime is 1513403417. The next prime is 1513403497. The reversal of 1513403423 is 3243043151.

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 1513403423 - 2⁴ = 1513403407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513403392 and 1513403401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513403413) 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, 65765 + ... + 85742.

It is an arithmetic number, because the mean of its divisors is an integer number (216353424).

Almost surely, 2^1513403423 is an apocalyptic number.

1513403423 is a deficient number, since it is larger than the sum of its proper divisors (217423969).

1513403423 is a wasteful number, since it uses less digits than its factorization.

1513403423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152941.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1513403423 is about 38902.4860773704. The cubic root of 1513403423 is about 1148.1137124975.

Adding to 1513403423 its reverse (3243043151), we get a palindrome (4756446574).

The spelling of 1513403423 in words is "one billion, five hundred thirteen million, four hundred three thousand, four hundred twenty-three".