73723623 has 8 divisors (see below), whose sum is σ = 98473200. Its totient is φ = 49061568.

The previous prime is 73723609. The next prime is 73723633. The reversal of 73723623 is 32632737.

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

It is not a de Polignac number, because 73723623 - 2⁴ = 73723607 is a prime.

It is a super-2 number, since 2×73723623² = 10870345176492258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73723603) 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, 19888 + ... + 23301.

It is an arithmetic number, because the mean of its divisors is an integer number (12309150).

Almost surely, 2^73723623 is an apocalyptic number.

73723623 is a deficient number, since it is larger than the sum of its proper divisors (24749577).

73723623 is a wasteful number, since it uses less digits than its factorization.

73723623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43761.

The product of its digits is 31752, while the sum is 33.

The square root of 73723623 is about 8586.2461530054. The cubic root of 73723623 is about 419.3103250323.

The spelling of 73723623 in words is "seventy-three million, seven hundred twenty-three thousand, six hundred twenty-three".