10021723446 has 16 divisors (see below), whose sum is σ = 22906796544. Its totient is φ = 2863349544.

The previous prime is 10021723427. The next prime is 10021723457. The reversal of 10021723446 is 64432712001.

It is a super-2 number, since 2×10021723446² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119306190 + ... + 119306273.

It is an arithmetic number, because the mean of its divisors is an integer number (1431674784).

Almost surely, 2^10021723446 is an apocalyptic number.

10021723446 is an abundant number, since it is smaller than the sum of its proper divisors (12885073098).

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

10021723446 is a wasteful number, since it uses less digits than its factorization.

10021723446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238612475.

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 10021723446 in words is "ten billion, twenty-one million, seven hundred twenty-three thousand, four hundred forty-six".