104523157 has 8 divisors (see below), whose sum is σ = 111159000. Its totient is φ = 97941504.

The previous prime is 104523143. The next prime is 104523173. The reversal of 104523157 is 751325401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41654116 + 62869041 = 6454^2 + 7929^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104523157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104523137) 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, 9532 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (13894875).

Almost surely, 2^104523157 is an apocalyptic number.

104523157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

104523157 is a deficient number, since it is larger than the sum of its proper divisors (6635843).

104523157 is a wasteful number, since it uses less digits than its factorization.

104523157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27095.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 104523157 is about 10223.6567332829. The cubic root of 104523157 is about 471.0541556877.

Adding to 104523157 its reverse (751325401), we get a palindrome (855848558).

The spelling of 104523157 in words is "one hundred four million, five hundred twenty-three thousand, one hundred fifty-seven".