23877481 has 2 divisors, whose sum is σ = 23877482. Its totient is φ = 23877480.

The previous prime is 23877463. The next prime is 23877541. The reversal of 23877481 is 18477832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 24025 = 4884^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 23877481 - 2²¹ = 21780329 is a prime.

It is a super-2 number, since 2×23877481² = 1140268197810722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23877421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11938740 + 11938741.

It is an arithmetic number, because the mean of its divisors is an integer number (11938741).

Almost surely, 2^23877481 is an apocalyptic number.

It is an amenable number.

23877481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23877481 is an equidigital number, since it uses as much as digits as its factorization.

23877481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 23877481 is about 4886.4589428338. The cubic root of 23877481 is about 287.9582348451.

The spelling of 23877481 in words is "twenty-three million, eight hundred seventy-seven thousand, four hundred eighty-one".