2723623812 has 192 divisors, whose sum is σ = 8783434240. Its totient is φ = 710664192.

The previous prime is 2723623811. The next prime is 2723623849. The reversal of 2723623812 is 2183263272.

2723623812 is a `hidden beast` number, since 2 + 7 + 23 + 623 + 8 + 1 + 2 = 666.

It is a super-2 number, since 2×2723623812² = 14836253338586822688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2723623811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 951888 + ... + 954744.

Almost surely, 2^2723623812 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 2723623812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4391717120).

2723623812 is an abundant number, since it is smaller than the sum of its proper divisors (6059810428).

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

2723623812 is a wasteful number, since it uses less digits than its factorization.

2723623812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2979 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2723623812 is about 52188.3493894950. The cubic root of 2723623812 is about 1396.5260487941.

The spelling of 2723623812 in words is "two billion, seven hundred twenty-three million, six hundred twenty-three thousand, eight hundred twelve".