10723101640 has 32 divisors (see below), whose sum is σ = 24131348280. Its totient is φ = 4288463872.

The previous prime is 10723101637. The next prime is 10723101661. The reversal of 10723101640 is 4610132701.

It can be written as a sum of positive squares in 4 ways, for example, as 6047550756 + 4675550884 = 77766^2 + 68378^2 .

It is a super-2 number, since 2×10723101640² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233022 + ... + 275218.

Almost surely, 2^10723101640 is an apocalyptic number.

10723101640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10723101640 is an abundant number, since it is smaller than the sum of its proper divisors (13408246640).

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

10723101640 is a wasteful number, since it uses less digits than its factorization.

10723101640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48561 (or 48557 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 10723101640 in words is "ten billion, seven hundred twenty-three million, one hundred one thousand, six hundred forty".