23400061 has 4 divisors (see below), whose sum is σ = 23436124. Its totient is φ = 23364000.

The previous prime is 23400029. The next prime is 23400067. The reversal of 23400061 is 16000432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 11799225 = 3406^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 23400061 - 2⁵ = 23400029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17040 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (5859031).

Almost surely, 2^23400061 is an apocalyptic number.

It is an amenable number.

23400061 is a deficient number, since it is larger than the sum of its proper divisors (36063).

23400061 is an equidigital number, since it uses as much as digits as its factorization.

23400061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36062.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23400061 is about 4837.3609540740. The cubic root of 23400061 is about 286.0260991391.

Adding to 23400061 its reverse (16000432), we get a palindrome (39400493).

The spelling of 23400061 in words is "twenty-three million, four hundred thousand, sixty-one".