23427403 has 2 divisors, whose sum is σ = 23427404. Its totient is φ = 23427402.

The previous prime is 23427347. The next prime is 23427427. The reversal of 23427403 is 30472432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23427403 - 2⁹ = 23426891 is a prime.

It is a super-2 number, since 2×23427403² = 1097686422648818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23424403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11713701 + 11713702.

It is an arithmetic number, because the mean of its divisors is an integer number (11713702).

Almost surely, 2^23427403 is an apocalyptic number.

23427403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23427403 is an equidigital number, since it uses as much as digits as its factorization.

23427403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23427403 is about 4840.1862567467. The cubic root of 23427403 is about 286.1374589854.

Adding to 23427403 its reverse (30472432), we get a palindrome (53899835).

The spelling of 23427403 in words is "twenty-three million, four hundred twenty-seven thousand, four hundred three".