23461381 has 2 divisors, whose sum is σ = 23461382. Its totient is φ = 23461380.

The previous prime is 23461363. The next prime is 23461423. The reversal of 23461381 is 18316432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22410756 + 1050625 = 4734^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 23461381 - 2⁷ = 23461253 is a prime.

It is a super-2 number, since 2×23461381² = 1100872796854322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23461331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11730690 + 11730691.

It is an arithmetic number, because the mean of its divisors is an integer number (11730691).

Almost surely, 2^23461381 is an apocalyptic number.

It is an amenable number.

23461381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23461381 is an equidigital number, since it uses as much as digits as its factorization.

23461381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 23461381 is about 4843.6949738810. The cubic root of 23461381 is about 286.2757255853.

The spelling of 23461381 in words is "twenty-three million, four hundred sixty-one thousand, three hundred eighty-one".