64101723 has 16 divisors (see below), whose sum is σ = 100320000. Its totient is φ = 35639136.

The previous prime is 64101689. The next prime is 64101731. The reversal of 64101723 is 32710146.

It is not a de Polignac number, because 64101723 - 2¹³ = 64093531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64101693 and 64101702.

It is not an unprimeable number, because it can be changed into a prime (64101733) 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, 40473 + ... + 42026.

It is an arithmetic number, because the mean of its divisors is an integer number (6270000).

Almost surely, 2^64101723 is an apocalyptic number.

64101723 is a deficient number, since it is larger than the sum of its proper divisors (36218277).

64101723 is a wasteful number, since it uses less digits than its factorization.

64101723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82546.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 64101723 is about 8006.3551632438. The cubic root of 64101723 is about 400.2118107374.

Adding to 64101723 its reverse (32710146), we get a palindrome (96811869).

The spelling of 64101723 in words is "sixty-four million, one hundred one thousand, seven hundred twenty-three".