23347817138 has 8 divisors (see below), whose sum is σ = 35027676288. Its totient is φ = 11671925044.

The previous prime is 23347816969. The next prime is 23347817167. The reversal of 23347817138 is 83171874332.

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

It is a super-2 number, since 2×23347817138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23347817092 and 23347817101.

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, 977006 + ... + 1000617.

It is an arithmetic number, because the mean of its divisors is an integer number (4378459536).

Almost surely, 2^23347817138 is an apocalyptic number.

23347817138 is a deficient number, since it is larger than the sum of its proper divisors (11679859150).

23347817138 is a wasteful number, since it uses less digits than its factorization.

23347817138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983528.

The product of its digits is 677376, while the sum is 47.

The spelling of 23347817138 in words is "twenty-three billion, three hundred forty-seven million, eight hundred seventeen thousand, one hundred thirty-eight".