23478379 has 2 divisors, whose sum is σ = 23478380. Its totient is φ = 23478378.

The previous prime is 23478373. The next prime is 23478397. The reversal of 23478379 is 97387432.

Together with next prime (23478397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23478379 - 2⁵ = 23478347 is a prime.

It is a pancake number, because a pancake can be divided into 23478379 parts by 6852 straight cuts.

It is not a weakly prime, because it can be changed into another prime (23478373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11739189 + 11739190.

It is an arithmetic number, because the mean of its divisors is an integer number (11739190).

Almost surely, 2^23478379 is an apocalyptic number.

23478379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23478379 is an equidigital number, since it uses as much as digits as its factorization.

23478379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 23478379 is about 4845.4493083717. The cubic root of 23478379 is about 286.3448454164.

The spelling of 23478379 in words is "twenty-three million, four hundred seventy-eight thousand, three hundred seventy-nine".