2315723157238 has 8 divisors (see below), whose sum is σ = 3473593542288. Its totient is φ = 1157858643144.

The previous prime is 2315723157193. The next prime is 2315723157247. The reversal of 2315723157238 is 8327513275132.

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

It is a junction number, because it is equal to n+sod(n) for n = 2315723157191 and 2315723157200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293881 + ... + 2172052.

It is an arithmetic number, because the mean of its divisors is an integer number (434199192786).

Almost surely, 2^{2315723157238} is an apocalyptic number.

2315723157238 is a deficient number, since it is larger than the sum of its proper divisors (1157870385050).

2315723157238 is a wasteful number, since it uses less digits than its factorization.

2315723157238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935478.

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

The spelling of 2315723157238 in words is "two trillion, three hundred fifteen billion, seven hundred twenty-three million, one hundred fifty-seven thousand, two hundred thirty-eight".