2312936648 has 64 divisors (see below), whose sum is σ = 4796971200. Its totient is φ = 1036788480.

The previous prime is 2312936627. The next prime is 2312936653. The reversal of 2312936648 is 8466392132.

It is a Cunningham number, because it is equal to 48093²-1.

It is a super-2 number, since 2×2312936648² = 10699351875322951808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 2312936599 and 2312936608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115590 + ... + 2116682.

It is an arithmetic number, because the mean of its divisors is an integer number (74952675).

Almost surely, 2^2312936648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312936648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2398485600).

2312936648 is an abundant number, since it is smaller than the sum of its proper divisors (2484034552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312936648 is a wasteful number, since it uses less digits than its factorization.

2312936648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422 (or 1418 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 2312936648 is about 48092.9999896035. Note that the first 4 decimals coincide. The cubic root of 2312936648 is about 1322.4763446919.

The spelling of 2312936648 in words is "two billion, three hundred twelve million, nine hundred thirty-six thousand, six hundred forty-eight".