1051723445 has 16 divisors (see below), whose sum is σ = 1353231360. Its totient is φ = 781857024.

The previous prime is 1051723441. The next prime is 1051723457. The reversal of 1051723445 is 5443271501.

1051723445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1051723445 - 2² = 1051723441 is a prime.

It is a super-2 number, since 2×1051723445² = 2212244409525336050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051723441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71597 + ... + 85026.

It is an arithmetic number, because the mean of its divisors is an integer number (84576960).

Almost surely, 2^1051723445 is an apocalyptic number.

It is an amenable number.

1051723445 is a deficient number, since it is larger than the sum of its proper divisors (301507915).

1051723445 is a wasteful number, since it uses less digits than its factorization.

1051723445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156724.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1051723445 is about 32430.2859222672. The cubic root of 1051723445 is about 1016.9521490977.

Adding to 1051723445 its reverse (5443271501), we get a palindrome (6494994946).

The spelling of 1051723445 in words is "one billion, fifty-one million, seven hundred twenty-three thousand, four hundred forty-five".