23011427 has 2 divisors, whose sum is σ = 23011428. Its totient is φ = 23011426.

The previous prime is 23011397. The next prime is 23011459. The reversal of 23011427 is 72411032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23011427 - 2⁶ = 23011363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23011399 and 23011408.

It is not a weakly prime, because it can be changed into another prime (23011627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505713 + 11505714.

It is an arithmetic number, because the mean of its divisors is an integer number (11505714).

Almost surely, 2^23011427 is an apocalyptic number.

23011427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011427 is an equidigital number, since it uses as much as digits as its factorization.

23011427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 23011427 is about 4797.0227224811. The cubic root of 23011427 is about 284.4337870978.

Adding to 23011427 its reverse (72411032), we get a palindrome (95422459).

The spelling of 23011427 in words is "twenty-three million, eleven thousand, four hundred twenty-seven".