1064872923 has 4 divisors (see below), whose sum is σ = 1419830568. Its totient is φ = 709915280.

The previous prime is 1064872871. The next prime is 1064872927. The reversal of 1064872923 is 3292784601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1064872923 - 2⁶ = 1064872859 is a prime.

It is a super-2 number, since 2×1064872923² = 2267908684277127858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064872927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177478818 + ... + 177478823.

It is an arithmetic number, because the mean of its divisors is an integer number (354957642).

Almost surely, 2^1064872923 is an apocalyptic number.

1064872923 is a deficient number, since it is larger than the sum of its proper divisors (354957645).

1064872923 is an equidigital number, since it uses as much as digits as its factorization.

1064872923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354957644.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1064872923 is about 32632.3907031036. The cubic root of 1064872923 is about 1021.1728540598.

The spelling of 1064872923 in words is "one billion, sixty-four million, eight hundred seventy-two thousand, nine hundred twenty-three".