23045479 has 2 divisors, whose sum is σ = 23045480. Its totient is φ = 23045478.

The previous prime is 23045467. The next prime is 23045497. The reversal of 23045479 is 97454032.

Together with next prime (23045497) 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 a de Polignac number, because none of the positive numbers 2^k-23045479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23045179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522739 + 11522740.

It is an arithmetic number, because the mean of its divisors is an integer number (11522740).

Almost surely, 2^23045479 is an apocalyptic number.

23045479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23045479 is an equidigital number, since it uses as much as digits as its factorization.

23045479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 23045479 is about 4800.5706952403. The cubic root of 23045479 is about 284.5740183798.

The spelling of 23045479 in words is "twenty-three million, forty-five thousand, four hundred seventy-nine".