23140319 has 2 divisors, whose sum is σ = 23140320. Its totient is φ = 23140318.

The previous prime is 23140283. The next prime is 23140357. The reversal of 23140319 is 91304132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23140319 - 2¹⁶ = 23074783 is a prime.

It is a super-2 number, since 2×23140319² = 1070948726843522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23140294 and 23140303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23140379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570159 + 11570160.

It is an arithmetic number, because the mean of its divisors is an integer number (11570160).

Almost surely, 2^23140319 is an apocalyptic number.

23140319 is a deficient number, since it is larger than the sum of its proper divisors (1).

23140319 is an equidigital number, since it uses as much as digits as its factorization.

23140319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 23140319 is about 4810.4385454967. The cubic root of 23140319 is about 284.9638571177.

The spelling of 23140319 in words is "twenty-three million, one hundred forty thousand, three hundred nineteen".