1513375403723 has 8 divisors (see below), whose sum is σ = 1514648410176. Its totient is φ = 1512102717000.

The previous prime is 1513375403653. The next prime is 1513375403783. The reversal of 1513375403723 is 3273045733151.

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 1513375403723 - 2²² = 1513371209419 is a prime.

It is a super-2 number, since 2×1513375403723² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1513375403783) 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, 9911468 + ... + 10062998.

It is an arithmetic number, because the mean of its divisors is an integer number (189331051272).

Almost surely, 2^{1513375403723} is an apocalyptic number.

1513375403723 is a deficient number, since it is larger than the sum of its proper divisors (1273006453).

1513375403723 is a wasteful number, since it uses less digits than its factorization.

1513375403723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159865.

The product of its (nonzero) digits is 793800, while the sum is 44.

The spelling of 1513375403723 in words is "one trillion, five hundred thirteen billion, three hundred seventy-five million, four hundred three thousand, seven hundred twenty-three".