64231000723 has 8 divisors (see below), whose sum is σ = 64776628800. Its totient is φ = 63687680448.

The previous prime is 64231000721. The next prime is 64231000727. The reversal of 64231000723 is 32700013246.

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

It is a cyclic number.

It is not a de Polignac number, because 64231000723 - 2¹ = 64231000721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64231000691 and 64231000700.

It is not an unprimeable number, because it can be changed into a prime (64231000721) 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, 521028 + ... + 632401.

It is an arithmetic number, because the mean of its divisors is an integer number (8097078600).

Almost surely, 2^64231000723 is an apocalyptic number.

64231000723 is the 135469-th centered heptagonal number.

64231000723 is a deficient number, since it is larger than the sum of its proper divisors (545628077).

64231000723 is a wasteful number, since it uses less digits than its factorization.

64231000723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153901.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 64231000723 its reverse (32700013246), we get a palindrome (96931013969).

The spelling of 64231000723 in words is "sixty-four billion, two hundred thirty-one million, seven hundred twenty-three", and thus it is an aban number.