1012265723 has 8 divisors (see below), whose sum is σ = 1194193920. Its totient is φ = 839667240.

The previous prime is 1012265711. The next prime is 1012265767. The reversal of 1012265723 is 3275622101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012265723 - 2⁴ = 1012265707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012265123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332193 + ... + 2332626.

It is an arithmetic number, because the mean of its divisors is an integer number (149274240).

Almost surely, 2^1012265723 is an apocalyptic number.

1012265723 is a deficient number, since it is larger than the sum of its proper divisors (181928197).

1012265723 is an equidigital number, since it uses as much as digits as its factorization.

1012265723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664857.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1012265723 is about 31816.1236325232. The cubic root of 1012265723 is about 1004.0719708808.

Adding to 1012265723 its reverse (3275622101), we get a palindrome (4287887824).

The spelling of 1012265723 in words is "one billion, twelve million, two hundred sixty-five thousand, seven hundred twenty-three".