1011723804 has 192 divisors, whose sum is σ = 3260436480. Its totient is φ = 264176640.

The previous prime is 1011723803. The next prime is 1011723809. The reversal of 1011723804 is 4083271101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011723803) 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, 1110109 + ... + 1111019.

It is an arithmetic number, because the mean of its divisors is an integer number (16981440).

Almost surely, 2^1011723804 is an apocalyptic number.

1011723804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011723804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630218240).

1011723804 is an abundant number, since it is smaller than the sum of its proper divisors (2248712676).

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

1011723804 is a wasteful number, since it uses less digits than its factorization.

1011723804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1011723804 is about 31807.6060715043. The cubic root of 1011723804 is about 1003.8927614121.

Adding to 1011723804 its reverse (4083271101), we get a palindrome (5094994905).

It can be divided in two parts, 101172 and 3804, that added together give a 4-th power (104976 = 18⁴).

The spelling of 1011723804 in words is "one billion, eleven million, seven hundred twenty-three thousand, eight hundred four".