980379523 has 4 divisors (see below), whose sum is σ = 981159480. Its totient is φ = 979599568.

The previous prime is 980379509. The next prime is 980379527. The reversal of 980379523 is 325973089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980379523 is a prime.

It is a super-2 number, since 2×980379523² = 1922288018235415058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980379527) 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, 388090 + ... + 390607.

It is an arithmetic number, because the mean of its divisors is an integer number (245289870).

Almost surely, 2^980379523 is an apocalyptic number.

980379523 is a deficient number, since it is larger than the sum of its proper divisors (779957).

980379523 is a wasteful number, since it uses less digits than its factorization.

980379523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779956.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 980379523 is about 31311.0128069981. The cubic root of 980379523 is about 993.4165948881.

The spelling of 980379523 in words is "nine hundred eighty million, three hundred seventy-nine thousand, five hundred twenty-three".