78236023 has 8 divisors (see below), whose sum is σ = 82967760. Its totient is φ = 73518720.

The previous prime is 78236021. The next prime is 78236047. The reversal of 78236023 is 32063287.

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 78236023 - 2¹ = 78236021 is a prime.

It is a super-2 number, since 2×78236023² = 12241750589713058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78236021) 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, 8808 + ... + 15298.

It is an arithmetic number, because the mean of its divisors is an integer number (10370970).

Almost surely, 2^78236023 is an apocalyptic number.

78236023 is a deficient number, since it is larger than the sum of its proper divisors (4731737).

78236023 is a wasteful number, since it uses less digits than its factorization.

78236023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 78236023 is about 8845.1129444457. The cubic root of 78236023 is about 427.6963939230.

The spelling of 78236023 in words is "seventy-eight million, two hundred thirty-six thousand, twenty-three".