1373415580723 has 4 divisors (see below), whose sum is σ = 1433129301648. Its totient is φ = 1313701859800.

The previous prime is 1373415580721. The next prime is 1373415580727. The reversal of 1373415580723 is 3270855143731.

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 1373415580723 - 2¹ = 1373415580721 is a prime.

It is a super-4 number, since 4×1373415580723⁴ (a number of 50 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373415580721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29856860428 + ... + 29856860473.

It is an arithmetic number, because the mean of its divisors is an integer number (358282325412).

Almost surely, 2^{1373415580723} is an apocalyptic number.

1373415580723 is a deficient number, since it is larger than the sum of its proper divisors (59713720925).

1373415580723 is an equidigital number, since it uses as much as digits as its factorization.

1373415580723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59713720924.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 1373415580723 in words is "one trillion, three hundred seventy-three billion, four hundred fifteen million, five hundred eighty thousand, seven hundred twenty-three".