130694723 has 4 divisors (see below), whose sum is σ = 131014680. Its totient is φ = 130374768.

The previous prime is 130694699. The next prime is 130694737. The reversal of 130694723 is 327496031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327496031 = 73 ⋅4486247.

It is a cyclic number.

It is not a de Polignac number, because 130694723 - 2⁶ = 130694659 is a prime.

It is a super-2 number, since 2×130694723² = 34162221240093458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130694023) 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, 159365 + ... + 160182.

It is an arithmetic number, because the mean of its divisors is an integer number (32753670).

Almost surely, 2^130694723 is an apocalyptic number.

130694723 is a deficient number, since it is larger than the sum of its proper divisors (319957).

130694723 is an equidigital number, since it uses as much as digits as its factorization.

130694723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319956.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 130694723 is about 11432.1792760611. The cubic root of 130694723 is about 507.4804904049.

The spelling of 130694723 in words is "one hundred thirty million, six hundred ninety-four thousand, seven hundred twenty-three".