23477873 has 2 divisors, whose sum is σ = 23477874. Its totient is φ = 23477872.

The previous prime is 23477851. The next prime is 23477879. The reversal of 23477873 is 37877432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 7091569 = 4048^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 23477873 - 2¹⁴ = 23461489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23477873.

It is not a weakly prime, because it can be changed into another prime (23477879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11738936 + 11738937.

It is an arithmetic number, because the mean of its divisors is an integer number (11738937).

Almost surely, 2^23477873 is an apocalyptic number.

It is an amenable number.

23477873 is a deficient number, since it is larger than the sum of its proper divisors (1).

23477873 is an equidigital number, since it uses as much as digits as its factorization.

23477873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 41.

The square root of 23477873 is about 4845.3970941503. The cubic root of 23477873 is about 286.3427883247.

The spelling of 23477873 in words is "twenty-three million, four hundred seventy-seven thousand, eight hundred seventy-three".