23938477 has 2 divisors, whose sum is σ = 23938478. Its totient is φ = 23938476.

The previous prime is 23938459. The next prime is 23938493. The reversal of 23938477 is 77483932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23222761 + 715716 = 4819^2 + 846^2 .

It is a cyclic number.

It is not a de Polignac number, because 23938477 - 2⁷ = 23938349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23938877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11969238 + 11969239.

It is an arithmetic number, because the mean of its divisors is an integer number (11969239).

Almost surely, 2^23938477 is an apocalyptic number.

It is an amenable number.

23938477 is a deficient number, since it is larger than the sum of its proper divisors (1).

23938477 is an equidigital number, since it uses as much as digits as its factorization.

23938477 is an evil number, because the sum of its binary digits is even.

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

The square root of 23938477 is about 4892.6962914123. The cubic root of 23938477 is about 288.2032267050.

The spelling of 23938477 in words is "twenty-three million, nine hundred thirty-eight thousand, four hundred seventy-seven".