23553953 has 2 divisors, whose sum is σ = 23553954. Its totient is φ = 23553952.

The previous prime is 23553949. The next prime is 23553973. The reversal of 23553953 is 35935532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23203489 + 350464 = 4817^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 23553953 - 2² = 23553949 is a prime.

It is not a weakly prime, because it can be changed into another prime (23553973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11776976 + 11776977.

It is an arithmetic number, because the mean of its divisors is an integer number (11776977).

Almost surely, 2^23553953 is an apocalyptic number.

It is an amenable number.

23553953 is a deficient number, since it is larger than the sum of its proper divisors (1).

23553953 is an equidigital number, since it uses as much as digits as its factorization.

23553953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60750, while the sum is 35.

The square root of 23553953 is about 4853.2414940944. The cubic root of 23553953 is about 286.6517525743.

The spelling of 23553953 in words is "twenty-three million, five hundred fifty-three thousand, nine hundred fifty-three".