1513320144423 has 8 divisors (see below), whose sum is σ = 2033648068608. Its totient is φ = 1000936158264.

The previous prime is 1513320144313. The next prime is 1513320144451. The reversal of 1513320144423 is 3244410233151.

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

It is not a de Polignac number, because 1513320144423 - 2³⁰ = 1512246402599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513320144223) 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, 1985984061 + ... + 1985984822.

It is an arithmetic number, because the mean of its divisors is an integer number (254206008576).

Almost surely, 2^{1513320144423} is an apocalyptic number.

1513320144423 is a deficient number, since it is larger than the sum of its proper divisors (520327924185).

1513320144423 is a wasteful number, since it uses less digits than its factorization.

1513320144423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971969013.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1513320144423 its reverse (3244410233151), we get a palindrome (4757730377574).

The spelling of 1513320144423 in words is "one trillion, five hundred thirteen billion, three hundred twenty million, one hundred forty-four thousand, four hundred twenty-three".